Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 848 · 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.Three temple bells ring every 5, 10 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
2. 2.How many factors does 66 have?
3. 3.Zoya scored 6 marks out of 20 in a test. What percentage did Zoya score?
4. 4.Priya takes 75 seconds and Aditya takes 90 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?
5. 5.Farhan scored 14 marks out of 40 in a test. What percentage did Farhan score?
6. 6.The ratio of boys to girls in a class is 7 : 1. There are 56 boys. How many girls are there?
7. 7.Round 92.29 to one decimal place. =
8. 8.The HCF of two numbers is 7 and their LCM is 147. One of the numbers is 49. What is the other number?
9. 9.The ratio of boys to girls in a class is 8 : 7. There are 48 boys. How many girls are there?
10. 10.1.8 × 9 =
11. 11.What is the smallest number you must add to 709 so that it divides exactly by 8?
12. 12.Divide ₹160 between Diya and Ananya in the ratio 5 : 3. How much does Diya get (in ₹)?
13. 13.Round 2713 to the nearest ten.
14. 14.A car goes 184 km on 8 litres of petrol. How far can it go on 6 litres (in km)?
15. 15.What is the smallest number you must take away from 256 so that it divides exactly by 6?
16. 16.The ratio of boys to girls in a class is 1 : 8. There are 2 boys. How many girls are there?
17. 17.How many factors does 76 have?
18. 18.What is 15% of 600?
19. 19.The ratio of boys to girls in a class is 9 : 7. There are 36 boys. How many girls are there?
20. 20.What is 80% of 160?
21. 21.Round 73.77 to one decimal place. =
22. 22.What is 6/7 of ₹35?
23. 23.Three temple bells ring every 18, 12 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
24. 24.What is the smallest number you must add to 250 so that it divides exactly by 7?
25. 25.Round 41.43 to one decimal place. =
26. 26.What percent of 25 is 2?
27. 27.Manav takes 80 seconds and Nisha takes 30 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?
28. 28.What is the smallest number you must take away from 142 so that it divides exactly by 3?
29. 29.7/8 + 6/12 =
30. 30.If 2 kg of rice costs ₹140, how many kg can you buy for ₹210?
31. 31.Round 64264 to the nearest hundred.
32. 32.20% of a number is 20. What is the number?
33. 33.Divide ₹270 between Pooja and Kabir in the ratio 1 : 8. How much does Kabir get (in ₹)?
34. 34.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 6, 12 or 4.
35. 35.Find the smallest number bigger than 12 that leaves a remainder of 5 when divided by 12, 6 or 8.
36. 36.Which is closest to 402 + 505 + 95? (a) 1000 (b) 1100 (c) 900 (d) 1200
37. 37.Round 71.73 to one decimal place. =
38. 38.Three temple bells ring every 6, 5 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
39. 39.The HCF of two numbers is 2 and their LCM is 112. One of the numbers is 16. What is the other number?
40. 40.Round 23734 to the nearest hundred.

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