Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 197 · 40 questions

The method (Spot the type): Read the question and name the topic: HCF/LCM, fraction, ratio, percent … Use that lesson’s method and write each step. Check: is the answer sensible in size and units?

1. 1.Divide ₹400 between Aditya and Farhan in the ratio 5 : 3. How much does Farhan get (in ₹)?
2. 2.Divide ₹117 between Vivaan and Sneha in the ratio 5 : 4. How much does Sneha get (in ₹)?
3. 3.54 ÷ 9 × 9 + 4 =
4. 4.2 × (14 − 4) + 24 ÷ 8 =
5. 5.8/9 × 1/7 =
6. 6.Pooja takes 90 seconds and Meera takes 36 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
7. 7.What is the smallest number you must take away from 486 so that it divides exactly by 7?
8. 8.5/8 − 3/7 =
9. 9.What percent of 400 is 208?
10. 10.Two tanks hold 225 litres and 360 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
11. 11.38 ÷ 5 =
12. 12.60% of a number is 321. What is the number?
13. 13.11.8 ÷ 2 =
14. 14.Which of these numbers divides exactly by 11? (a) 2794 (b) 4613 (c) 1731 (d) 2753
15. 15.What is the smallest number you must take away from 865 so that it divides exactly by 4?
16. 16.Find the LCM of 48 and 54.
17. 17.Which is closest to 501 + 496 + 296? (a) 1300 (b) 1500 (c) 1200 (d) 1400
18. 18.Find the LCM of 10, 4 and 14.
19. 19.Vivaan takes 30 seconds and Manav takes 40 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
20. 20.A car goes 90 km on 5 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.35 − 36 ÷ 4 × 3 =
22. 22.Sneha takes 50 seconds and Zoya takes 80 seconds to run once round a track. They start together from the start line. After how many seconds will they first be at the start line together again?
23. 23.The ratio of boys to girls in a class is 9 : 8. There are 36 boys. How many girls are there?
24. 24.Find the LCM of 15, 3 and 4.
25. 25.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 10, 3 or 9.
26. 26.Manav scored 32 marks out of 50 in a test. What percentage did Manav score?
27. 27.The ratio of boys to girls in a class is 5 : 9. There are 20 boys. How many girls are there?
28. 28.Three temple bells ring every 20, 15 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
29. 29.If 4 mangoes cost ₹68, how much do 14 mangoes cost (in ₹)?
30. 30.If 5 kg of rice costs ₹225, how many kg can you buy for ₹135?
31. 31.What is the smallest number you must take away from 458 so that it divides exactly by 8?
32. 32.How many factors does 39 have?
33. 33.The HCF of two numbers is 7 and their LCM is 252. One of the numbers is 63. What is the other number?
34. 34.Find the HCF of 4 and 14.
35. 35.20% of a number is 41. What is the number?
36. 36.The HCF of two numbers is 8 and their LCM is 160. One of the numbers is 40. What is the other number?
37. 37.What is the smallest number you must add to 841 so that it divides exactly by 6?
38. 38.A hall floor is 250 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
39. 39.Three temple bells ring every 15, 20 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
40. 40.Priya scored 13 marks out of 50 in a test. What percentage did Priya score?

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