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Q1. Two trains, P and Q, start simultaneously from two stations X and Y towards each other. The speed of train P is 50 kmph and the speed of train Q is 70 kmph. The distance between stations X and Y is 480 km. If train P starts 2 hours earlier than train Q, at what distance from station X will they meet?
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Q2. If the cost price of 5 pens is equal to the selling price of 4 pens, the profit percentage is:
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Q3. A sum of money triples itself in 6 years at simple interest. In how many years will it become 9 times itself?
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Q4. A transformation that skews the shape of an object is called:
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Q5. A driver travels the first half of a distance at 60 km/hr and the second half at 40 km/hr. What is his average speed for the entire journey?
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Q6. A man spends 70% of his income. If his income increases by 20%, by what percentage should his expenditure be increased so that he saves the same amount as before?
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Q7. Convert 0.15 to a percentage.
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Q8. A dealer buys a product for ₹4000. He marks the price 20% above the cost price. He allows two successive discounts of 10% and 15% on the marked price. What is his profit percentage?
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Q9. Which of the following numbers is even?
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Q10. Consider the sequence of Fibonacci numbers F(n) where F(1)=1, F(2)=1. What is GCD(F(m), F(n))?
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Q11. If 2/3 of a number is 10 more than 1/4 of the same number, what is the number?
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Q12. What is the sum of the first 3 terms of the GP 2, 6, 18, ...?
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Q13. What is the value of $\sin^2 \theta + \cos^2 \theta$?
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Q14. A merchant buys goods for ₹300 and sells them for ₹360. What is the profit percentage?
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Q15. A merchant buys 50 kg of sugar for Rs. 10 per kg. He sells it at Rs. 12 per kg. What is his total profit?
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Q16. The cost of a machine is Rs. 50,000. If its value depreciates by 10% per annum, what will be its value after 2 years?
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Q17. If $3x+2y = 16$ and $2x+3y = 19$, find the value of $x+y$.
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Q18. A system of linear equations represented by Ax = b is said to be homogeneous if:
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Q19. The angle of elevation of the sun is 60 degrees. A man of height 2m is standing on the ground. The length of the shadow of the man is:
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Q20. A man sells an article for ₹800 and makes a profit of 25%. What is the cost price?