Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 444 · 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.Which of these numbers divides exactly by 3? (a) 2051 (b) 1076 (c) 7910 (d) 2235
2. 2.The HCF of two numbers is 6 and their LCM is 210. One of the numbers is 42. What is the other number?
3. 3.5/9 − 1/12 =
4. 4.A car goes 69 km on 3 litres of petrol. How far can it go on 32 litres (in km)?
5. 5.Which is closest to 905 + 302 + 97? (a) 1300 (b) 1400 (c) 1500 (d) 1200
6. 6.Find the third proportional to 9 and 18 (that is, 9 : 18 = 18 : ?).
7. 7.A car goes 176 km on 8 litres of petrol. How far can it go on 11 litres (in km)?
8. 8.10.8 ÷ 3 =
9. 9.The ratio of boys to girls in a class is 1 : 9. There are 4 boys. How many girls are there?
10. 10.The ratio of boys to girls in a class is 6 : 7. There are 24 boys. How many girls are there?
11. 11.Find the HCF of 35 and 15.
12. 12.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 5, 12 or 4.
13. 13.Divide ₹171 between Kabir and Arjun in the ratio 7 : 2. How much does Kabir get (in ₹)?
14. 14.Which is closest to 1193 ÷ 21? (a) 60 (b) 30 (c) 600 (d) 120
15. 15.Round 59.88 to one decimal place. =
16. 16.4 painters can paint a school in 10 days. How many days would 20 painters take, working at the same speed?
17. 17.What percent of 50 is 46?
18. 18.Which of these numbers divides exactly by 9? (a) 1599 (b) 8306 (c) 7623 (d) 4781
19. 19.What is 30% of 10?
20. 20.Kabir takes 30 seconds and Zoya takes 50 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?
21. 21.If 7 kg of rice costs ₹483, how many kg can you buy for ₹276?
22. 22.Aarav takes 36 seconds and Saanvi 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?
23. 23.Find the third proportional to 3 and 12 (that is, 3 : 12 = 12 : ?).
24. 24.The HCF of two numbers is 7 and their LCM is 441. One of the numbers is 63. What is the other number?
25. 25.11 painters can paint a school in 12 days. How many days would 6 painters take, working at the same speed?
26. 26.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
27. 27.A hall floor is 160 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
28. 28.Which of these numbers divides exactly by 3? (a) 4631 (b) 4923 (c) 6236 (d) 7199
29. 29.A car goes 264 km on 12 litres of petrol. How far can it go on 28 litres (in km)?
30. 30.How many factors does 23 have?
31. 31.Two tanks hold 180 litres and 210 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
32. 32.Which of these numbers divides exactly by 9? (a) 8638 (b) 7911 (c) 7576 (d) 3241
33. 33.5 × (24 − 17) + 18 ÷ 3 =
34. 34.Which is closest to 401 + 101 + 305? (a) 900 (b) 1000 (c) 700 (d) 800
35. 35.Three temple bells ring every 9, 18 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
36. 36.Round 94.33 to one decimal place. =
37. 37.Find the HCF of 39 and 52.
38. 38.Round 28.12 to one decimal place. =
39. 39.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
40. 40.What is the smallest number you must take away from 689 so that it divides exactly by 3?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude