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IIT JEE Maths Practice Paper – Previous Years’ Questions SET 14

IIT JEE Maths Practice Paper 14 – Vectors PYQs

IIT JEE Maths Practice Paper – Part 14: Vectors Practice 10 multiple-choice questions from past JEE papers based on the topic of Vectors. Click submit to view your result, score, and explanations. If vector a = 2i + 3j and vector b = i − j, then a · b is: 1 -1 3 5 If vectors a and b are such that |a| = 3, |b| = 4 and a · b = 6, then the angle between them is: 30° 45° 60° 90° Two vectors are perpendicular if: Their magnitudes are equal Their dot product is zero Their cross product is zero They have opposite directions The magnitude of the cross product of vectors a and b is equal to: ab cos θ ab ab sin θ a + b The vector i + j is rotated 90° counterclockwise in the plane. Its new direction is: -j + i -i – j -i + j -j – i If a vector has magnitude 5 and makes an angle of 60° with the x-axis, then its x-component is: 5 5√3 5 cos 60° 5 sin 60° If a · b = 0 and a × b ≠ 0, then: Vectors are parallel Vectors are equal Vectors are perpendicular Vectors are same direction Unit vector along vector 3i + 4j is: 3i + 4j (3/5)i + (4/5)j (4/5)i + (3/5)j (5/3)i + (5/4)j The projection of vector a on b is given by: |a||b| sin θ a · b / |b| a × b ab cos θ If a = i + j and b = i − j, then a × b is: 2k -2k 0 i + k Submit

Arithmetic Aptitude Problems on Trains - 5 Solved Questions SET 1

Arithmetic Aptitude : Problems on Trains – 5 Solved Questions – SET 1

Math Test This should show a math equation: \( a^2 + b^2 = c^2 \) 🚆 Train & Platform Problem Question: A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform? 120 m 240 m 300 m None of these Solution 📘 Step-by-Step Solution: Speed of train = \[ 54 \, \text{km/hr} = 54 \times \frac{1000}{3600} = 15 \, \text{m/s} \] Time taken to pass man = 20 sec ⇒ Length of train = \[ 15 \times 20 = 300 \, \text{m} \] Time taken to pass platform = 36 sec ⇒ Total length = \[ 15 \times 36 = 540 \, \text{m} \] So, platform length = \[ 540 – 300 = \boxed{240 \, \text{m}} \] ✅ Final Answer: \(\boxed{240 \, \text{metres}}\) 🚄🚄 Two Trains Crossing Each Other Question: Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other is: 9 9.6 10 10.8 Show Solution 📘 Step-by-Step Solution: Length of first train = 140 m Length of second train = 160 m Total distance to be covered = \[ 140 + 160 = 300 \, \text{m} \] Speed of first train = \[ 60 \, \text{km/hr} = 60 \times \frac{1000}{3600} = 16.67 \, \text{m/s} \] Speed of second train = \[ 40 \, \text{km/hr} = 40 \times \frac{1000}{3600} = 11.11 \, \text{m/s} \] Relative speed (opposite direction) = \[ 16.67 + 11.11 = 27.78 \, \text{m/s} \] Time to cross each other = \[ \frac{300}{27.78} \approx \boxed{10.8 \, \text{seconds}} \] ✅ Final Answer: \(\boxed{10.8 \, \text{seconds}}\) 🚆 Train Speed Problem Question: A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? 120 metres 180 metres 324 metres 150 metres Show Solution 📘 Step-by-Step Solution: We use the formula: \[ \text{Distance} = \text{Speed} \times \text{Time} \] First, convert speed from km/hr to m/s: \[ 60 \, \text{km/hr} = 60 \times \frac{1000}{3600} = 16.67 \, \text{m/s} \] Now calculate distance using the time = 9 seconds: \[ \text{Distance} = 16.67 \times 9 = 150 \, \text{metres} \] ✅ Final Answer: \(\boxed{150 \, \text{metres}}\) 🚆 Train & Bridge Problem Question: The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is: 200 m 225 m 245 m 250 m Show Solution 📘 Step-by-Step Solution: Total distance covered in crossing the bridge = Length of train + Length of bridge Speed = 45 km/hr = \[ 45 \times \frac{1000}{3600} = 12.5 \, \text{m/s} \] Time = 30 seconds Total Distance = Speed × Time \[ = 12.5 \times 30 = 375 \, \text{m} \] Train length = 130 m \[ \text{Bridge length} = 375 – 130 = \boxed{245 \, \text{m}} \] ✅ Final Answer: \(\boxed{245 \, \text{metres}}\) 🚄 Two Trains from Howrah and Patna Question: Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. What is the ratio of their speeds? 2 : 3 4 : 3 6 : 7 9 : 16 Show Solution 📘 Step-by-Step Solution: Let the two trains meet at point M. 🧠 Key Concept: If two objects start at the same time and move towards each other, and after meeting, take t₁ and t₂ hours respectively to complete their journeys, then: \[ \text{Ratio of their speeds} = \sqrt{t_2} : \sqrt{t_1} \] Here, Time taken by train from Howrah after meeting = 9 hours Time taken by train from Patna after meeting = 16 hours So the ratio of speeds is: \[ \sqrt{16} : \sqrt{9} = 4 : 3 \] ✅ Final Answer: \(\boxed{4 : 3}\)

IIT JEE Maths Practice Paper 13– PYQs - Topic Calculus

IIT JEE Maths Practice Paper Part 13 Calculus (Previous Years’ Questions)

Test your preparation for IIT JEE Mathematics with these previous years’ Calculus questions. Includes differentiation, integration, limits, continuity, and application-based problems. Ideal for last-minute practice and concept revision. IIT JEE Maths Practice – Calculus 1. The derivative of \( e^{\tan x} \) is: \( \sec^2 x \cdot e^{\tan x} \) \( \tan x \cdot e^{\tan x} \) \( \sec x \cdot e^x \) \( \sec x \cdot \tan x \) 2. If \( f(x) = \ln(\sin x) \), then \( f'(x) \) equals: \( \cot x \) \( \frac{1}{\sin x} \) \( \frac{\cos x}{\sin x} \) \( \cos x \cdot \ln x \) 3. \( \int_0^1 x e^x \, dx \) is: \( e – 2 \) \( 1 \) \( 2e \) \( e – 1 \) 4. Limit \( \lim_{x \to 0} \frac{\sin x}{x} \) equals: 1 0 ∞ Does not exist 5. If \( f(x) = x^2 \), then \( \int f'(x) dx \) is: \( x^2 + C \) \( 2x + C \) \( 2x^2 + C \) \( x^3 + C \) 6. If \( \int_1^2 f(x)dx = 3 \), what is \( \int_1^2 5f(x)dx \)? 15 5 8 1.5 7. If \( y = x^x \), then \( \frac{dy}{dx} \) equals: \( x^x(1 + \ln x) \) \( x^x \ln x \) \( x \ln x \) \( \ln x + 1 \) 8. \( \int \frac{1}{x^2 + 1} dx \) is: \( \tan^{-1}(x) + C \) \( \ln(x^2 + 1) + C \) \( \frac{1}{x^2 + 1} + C \) \( \tan(x) + C \) 9. If a function is differentiable, it is always: Continuous Discontinuous Constant None 10. The area under the curve \( y = x^2 \) from 0 to 2 is: \( \frac{8}{3} \) \( 4 \) \( 2 \) \( \frac{4}{3} \) Submit

IIT JEE Maths Practice Paper 12– PYQs - Topic Trigonometry

IIT JEE Maths Practice Paper Part 12 – Trigonometry PYQs

Practice important IIT JEE Trigonometry questions from previous years’ papers with this quiz (Part 12). Each correct answer gives you 4 marks. See your result instantly after submission. Note: These are Easy Questions, Difficulty level will be raised in upcoming videos, please bookmark this website. IIT JEE Maths Practice Paper – Trigonometry (Part 12) 1. The value of sin²θ + cos²θ is: a) 0 b) 1 c) 2 d) None 2. The general solution of sinθ = 0 is: a) nπ b) 2nπ c) nπ/2 d) π/2 + nπ 3. The value of tan 45° is: a) 0 b) 1 c) √3 d) ∞ 4. sin(2A) equals: a) 2sinA b) sinA cosA c) 2sinA cosA d) cos²A – sin²A 5. Which of the following is equal to 1? a) sec²θ – tan²θ b) tan²θ – sec²θ c) secθ – tanθ d) None 6. cos(90° – θ) = a) sinθ b) cosθ c) tanθ d) cotθ 7. The period of sinx is: a) 180° b) π/2 c) 2π d) π 8. Which of the following is undefined? a) tan 0° b) cot 0° c) cos 0° d) sin 90° 9. sin30° + cos60° equals: a) 0 b) 1 c) 2 d) √2 10. Which of these identities is correct? a) sin²θ = 1 + cos²θ b) tanθ = sinθ/cosθ c) sinθ = 1/cosecθ d) All of the above Submit Answers

IIT JEE Maths Practice Paper 11 – PYQs - Topic Sets, Relations and Functions

IIT JEE Maths Practice Paper 11 – PYQs – Topic: Sets, Relations and Functions with Solution

Topic: Sets, Relations and FunctionsPractice 10 handpicked previous year IIT JEE questions. Test your concepts of domains, ranges, types of relations and functions, and more. Each question carries 4 marks. No negative marking here—just practice and learn! IIT JEE Maths Practice Paper – Part 11: Sets, Relations and Functions 1. Let A = {1, 2, 3}, B = {3, 4, 5}. What is A ∩ B? a) {1, 2} b) {3} c) {1, 2, 3, 4, 5} d) { } 2. If f(x) = x² + 1, then f(2) is: a) 5 b) 3 c) 6 d) 7 3. If A = {x ∈ N : x < 6}, then set A is: a) {0,1,2,3,4,5} b) {1,2,3,4,5} c) {2,4,6} d) Infinite set 4. If f: R → R is defined by f(x) = 2x + 3, then f is: a) One-one b) Onto c) Bijective d) Constant 5. Number of subsets of a set with 3 elements is: a) 6 b) 9 c) 8 d) 4 6. If A = {1, 2}, B = {a, b}, then number of relations from A to B is: a) 2 b) 4 c) 8 d) 16 7. The number of functions from set A (3 elements) to B (2 elements) is: a) 6 b) 8 c) 4 d) 2 8. Which of the following is a function? a) {(1,2), (1,3)} b) {(2,1), (3,1)} c) {(2,3), (3,4)} d) {(1,2), (2,1), (2,3)} 9. Domain of f(x) = √(x-1) is: a) x ≥ 0 b) x ≥ 1 c) x < 1 d) All real x 10. Range of f(x) = x² where x ∈ R is: a) All real numbers b) R+ c) [0, ∞) d) (−∞, ∞) Submit Quiz

How to Set the Right Price as an Online Tutor

How to Set the Right Price as an Online Tutor

Pricing your services as an online tutor can feel overwhelming. Set it too high, and you may scare off potential students. Too low, and you risk undervaluing your time and expertise. Whether you’re just starting out or looking to adjust your rates, finding the right balance is key to growing your tutoring career. In this guide, we’ll walk you through the essential factors that influence pricing and how to strategically set a rate that reflects your value, attracts the right students, and supports your long-term success. 🎯 1. Understand Your Market Before you decide on a rate, understand what other tutors are charging for similar subjects and student levels. Ask yourself: Tip: Check platforms like Odtutor, UrbanPro, Preply, or Superprof to compare tutor profiles in your niche. 🧑‍🏫 2. Factor in Your Experience & Qualifications The more experience and credentials you bring to the table, the more you can charge. If you have: …you can confidently price yourself on the higher side. 💻 3. Decide on a Pricing Model There are a few ways to price your tutoring sessions: ✅ Hourly Rate This is the most common approach. You charge per session or hour of tutoring. Pros: Simple and transparentCons: Income is limited by time available ✅ Package Pricing Offer students a discounted bundle (e.g., 10 sessions for $250 instead of $300). Pros: More predictable income, encourages long-term commitmentCons: Students might drop out mid-way ✅ Course-Based Pricing If you’re creating structured learning modules, you can sell access to the whole course. Pros: Passive income opportunity through platforms like OdtutorCons: Requires time to create and market the course 🕵️‍♀️ 4. Know Your Audience’s Budget Understanding who your students are will help you price your services appropriately. You can also offer flexible pricing plans to appeal to different budgets. 🧮 5. Calculate Your True Teaching Costs To set a fair price, consider: Example: If you spend 30 minutes preparing for a 1-hour class, and want to earn $25/hour, you should factor in prep time too—so $25 for 90 minutes means ~$16/hr isn’t truly enough. Don’t just charge for “teaching”—charge for your total effort. 🧲 6. Offer Value-Added Services Want to justify higher pricing? Offer extras like: These not only add value for your students, but also differentiate you from lower-cost competitors. 💬 7. Start Low, Scale Up If you’re new to tutoring or just joined a platform like Odtutor, start with an introductory rate to build your reputation and attract your first few students. Once you have: …raise your prices gradually. Communicate clearly when your rates change and always explain the added value. 💸 8. Be Transparent and Confident And most importantly—don’t feel guilty about charging what you’re worth. You’re not just teaching; you’re helping someone succeed in school, career, or life. 🛠 9. Use Platforms That Support Pricing Flexibility Platforms like Odtutor allow you to: This makes it easier to focus on teaching while still growing your income. 🚀 Final Thoughts Setting the right price as an online tutor isn’t just about numbers—it’s about knowing your value, your audience, and your goals. A good pricing strategy helps you: ✅ Attract serious students✅ Grow your income✅ Build a sustainable career Start with thoughtful pricing, deliver consistent value, and adjust as you grow. Ready to grow your tutoring career? 📱 Create your profile on Odtutor🎓 Set your pricing📈 Start getting students and earning more 👉 Join Odtutor today and teach smarter, not harder.

IIT JEE Maths Practice Paper – Previous Years’ Questions SET 10

IIT JEE Maths Practice Paper 10 – Previous Years’ Questions

Sharpen your problem-solving skills with 10 handpicked previous years’ IIT JEE Mathematics questions. Designed to mirror the real exam experience, this quiz will test your grasp on essential concepts across algebra, calculus, coordinate geometry, and more.✅ Attempt all questions✅ Each correct answer earns 4 marks✅ Review your answers with detailed explanations after submission Best of luck! 🧠✍️ IIT JEE Maths Practice Paper – Part 10 (Previous Years’ Questions) If \( \int (3x^2 + 4x + 2) dx \), the result is: a) x³ + 2x² + 2x + C b) x³ + 2x² + x + C c) x³ + 2x² + 4x + C d) x³ + x² + x + C The limit \( \lim_{x \to 0} \frac{\sin 3x}{x} \) equals: a) 1 b) 3 c) 0 d) ∞ If A = {1,2,3}, number of subsets of A is: a) 3 b) 8 c) 6 d) 4 The derivative of \( e^{2x} \) is: a) 2e^x b) e^{2x} c) 2e^{2x} d) e^x The value of \( \cos 60^\circ \) is: a) 0 b) 1 c) 1/2 d) √3/2 If \( x = 2 \) is a solution of \( x^2 – kx + 4 = 0 \), then k is: a) 6 b) 4 c) 3 d) 2 The general solution of \( \frac{dy}{dx} = y \) is: a) y = x b) y = e^x c) y = Ce^x d) y = Cx The number of permutations of the word “MATH” is: a) 24 b) 12 c) 16 d) 4 The distance between (1,2) and (4,6) is: a) 5 b) 4 c) √13 d) √25 If \( \tan \theta = 1 \), then \( \theta \) is: a) 30° b) 90° c) 45° d) 60° Submit

IIT JEE Maths Practice Paper – Previous Years’ Questions SET 9

IIT JEE Maths Practice Paper 9 – Previous Years’ Questions

🧮 Part 9 – IIT JEE Maths Practice Paper (PYQs)Sharpen your problem-solving skills with this fresh set of 10 handpicked previous years’ IIT JEE Mathematics questions. Each question has detailed explanations to help you understand the concept behind the correct answer. Ideal for self-assessment and revision. All the best! IIT JEE Maths Practice – Part 9 Test your understanding with 10 previous years’ questions from Vector Algebra, Calculus, and Coordinate Geometry. The angle between vectors a = i + 2j and b = 2i + 4j is: 0° 30° 45° 60° The derivative of sin⁻¹(x) is: 1/√(1−x²) x/√(1−x²) −1/√(1−x²) √(1−x²) Area of triangle with vertices (0,0), (1,0), (0,1) is: 1 0.5 2 1.5 If A is a 3×3 matrix and |A| = 5, then |2A| is: 40 80 160 8 The slope of the line perpendicular to y = 3x + 7 is: −1/3 3 −3 1/3 The value of lim(x→0) (sin x)/x is: 0 1 ∞ Does not exist A function is even if: f(x) = −f(x) f(x) = f(−x) f(−x) = −f(x) f(x) = 0 The integral of 1/x dx is: x ln|x| + C 1/x² e^x The point (2,3) lies on which quadrant? I II III IV Distance between points (0,0) and (3,4): 5 7 4 3 Submit Answers

IIT JEE Maths Practice Paper – Previous Years’ Questions SET 8

IIT JEE Maths Practice Paper Part 8– Previous Years’ Questions

Prepared by Nigam Sir, Practice 10 fresh IIT JEE Maths questions based on previous year papers. This set covers key concepts from algebra, trigonometry, calculus, and matrices. ✅ Instant feedback with explanations🧪 4 marks per correct answer📘 No login or backend needed Attempt the quiz below and check how many you get right! IIT JEE Maths Practice Paper – Previous Years’ Questions (Part 8) 1. If x + y = 10 and x – y = 4, what is the value of x? 3 5 7 8 2. The value of sin(30°) is: √3/2 1/2 1 0 3. What is the value of the determinant |1 2; 3 4|? 2 10 –2 –10 4. Which of the following is a solution to x² – 4 = 0? x = 2 only x = –2 only x = ±2 x = 0 5. The value of log₁₀(1) is: 1 0 undefined 10 6. If A = πr² and r = 3, then A = 6π 9π 12π π/3 7. Which of the following functions is even? f(x) = x³ f(x) = sin(x) f(x) = cos(x) f(x) = tan(x) 8. What is the slope of y = 3x + 2? 3 2 1 –3 9. d/dx (x³) = ? x² 2x 3x² 3x 10. If A = {1, 2}, B = {3, 4}, number of elements in A × B is: 2 3 4 6 Submit

IIT JEE Maths Practice Paper – Previous Years’ Questions SET 7

IIT JEE Maths Practice Paper 7 – Previous Years’ Questions

Revise important JEE Maths concepts with this set of 10 MCQs from previous year papers. Covers algebra, calculus, matrices, trigonometry, and more. ✅ Instant evaluation with score and explanations📘 4 marks per correct answer⚙️ No login or backend required Perfect for quick practice and concept reinforcement! IIT JEE Maths Practice Paper – Previous Years’ Questions (Part 7) 1. The sum of the roots of the equation 2x² – 3x + 5 = 0 is: –5/2 –3/2 3/2 5/2 2. The domain of the function f(x) = √(x – 2) is: x > 2 x ≥ 2 x < 2 All real x 3. What is the value of tan(45°)? 0 1 √3 Undefined 4. If A = [1 2; 3 4], then trace of A is: 4 5 6 7 5. The number of ways to arrange the letters of the word “MATH” is: 12 16 24 32 6. If log₁₀(100) = x, then x = 1 0 2 10 7. Derivative of sin²(x) is: 2sin(x) 2sin(x)cos(x) cos²(x) 2cos(x) 8. The angle between two perpendicular lines is: 0° 45° 60° 90° 9. Area of a triangle with base = 6 and height = 4 is: 12 24 18 10 10. ∫ cos(x) dx = sin(x) + C –sin(x) + C cos(x) + C tan(x) + C Submit