1. The ratio of the ages of A and B is 3:5. If the sum of their ages is 64, find A’s age. (PYQ Year: 2020)
2. A sum of Rs. 5000 is lent at 8% simple interest per annum. Find interest for 3 years.
3. If 5/6 of a number is 60, find the number.
4. A train 150 m long crosses a pole in 10 seconds. Find the speed of the train in km/hr.
5. Find the next number in the series: 2, 6, 12, 20, 30, ?
6. The probability of drawing a red card from a deck of 52 cards?
7. A boat covers 12 km downstream in 2 hours and returns in 4 hours. Find speed of stream.
8. If the simple interest on Rs. 8000 for 3 years is Rs. 1200, find rate of interest per annum.
9. The sum of first 15 natural numbers?
10. A sum of Rs. 10000 is lent at compound interest at 10% for 2 years. Find CI.
11. The difference between simple interest and compound interest on Rs. 5000 at 10% for 2 years?
12. Ramesh is 4 years older than Suresh. Sum of their ages is 28. Find their ages.
13. A sum of Rs. 6000 is lent at 5% SI for 2 years. Find SI.
14. If 2/3 of a number is 24, find the number.
15. The sum of squares of first 5 natural numbers?
16. A clock shows 3:15. The angle between hour and minute hand?
17. A number when divided by 7 leaves remainder 4. Find the remainder when number is divided by 14.
18. If a boat goes 10 km downstream in 2 hours and returns in 5 hours, speed of stream?
19. A number is increased by 20% and then decreased by 20%. Find net change.
20. Find the HCF of 48 and 180.
21. Find the LCM of 12, 15 and 20.
22. If 5 machines can produce 150 items in 10 days, how many days for 10 machines to produce 300 items?
23. The difference between largest and smallest 4-digit numbers divisible by 7?
24. A boat covers 15 km downstream in 1.5 hours and returns in 3 hours. Find speed of boat in still water?
25. The sum of first 20 natural numbers?
26. The difference between the squares of two consecutive odd numbers is?
27. A number is increased by 10% and then decreased by 10%. Find net change.
28. The sum of angles of a polygon is 1440°. How many sides does it have?
29. The ratio of incomes of A and B is 3:4. If their total income is 14000, find B’s income.
30. A sum of Rs. 8000 is lent at 5% SI for 3 years. Find SI.