Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 765 · 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 is closest to 1193 ÷ 21? (a) 30 (b) 120 (c) 60 (d) 600
2. 2.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
3. 3.What is 80% of 45?
4. 4.If 5 kg of rice costs ₹310, how many kg can you buy for ₹248?
5. 5.Three temple bells ring every 10, 30 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
6. 6.Find the HCF of 49 and 14.
7. 7.43 − 15 ÷ 3 × 6 =
8. 8.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 5, 6 or 9.
9. 9.If 4 kg of rice costs ₹292, how many kg can you buy for ₹1022?
10. 10.93 − 63 ÷ 7 × 9 =
11. 11.If 7 mangoes cost ₹273, how much do 8 mangoes cost (in ₹)?
12. 12.The HCF of two numbers is 4 and their LCM is 72. One of the numbers is 36. What is the other number?
13. 13.Ananya takes 36 seconds and Aditya 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?
14. 14.14 + 7 × 12 − 13 =
15. 15.12% of a number is 24. What is the number?
16. 16.Saanvi takes 60 seconds and Zoya 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?
17. 17.How many factors does 70 have?
18. 18.Which of these numbers divides exactly by 4? (a) 7836 (b) 1853 (c) 3738 (d) 1407
19. 19.Two tanks hold 160 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
20. 20.Round 24556 to the nearest hundred.
21. 21.Three temple bells ring every 4, 9 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
22. 22.4/5 − 1/4 =
23. 23.Three temple bells ring every 5, 20 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
24. 24.Round 21.51 to one decimal place. =
25. 25.The HCF of two numbers is 9 and their LCM is 135. One of the numbers is 27. What is the other number?
26. 26.11.5 ÷ 5 =
27. 27.Find the LCM of 11, 14 and 2.
28. 28.Two tanks hold 40 litres and 15 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
29. 29.Three temple bells ring every 6, 9 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
30. 30.What is 20% of 200?
31. 31.Farhan takes 40 seconds and Arjun 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?
32. 32.18 ÷ 3 × 8 + 8 =
33. 33.8 × (27 − 4) + 20 ÷ 2 =
34. 34.Kavya takes 60 seconds and Manav 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?
35. 35.Find the smallest number bigger than 12 that leaves a remainder of 2 when divided by 6, 12 or 4.
36. 36.A car goes 171 km on 9 litres of petrol. How far can it go on 28 litres (in km)?
37. 37.A car goes 110 km on 5 litres of petrol. How far can it go on 25 litres (in km)?
38. 38.A hostel has enough food for 2 students for 6 days. How many days will the same food last for 4 students?
39. 39.Which is closest to 497 + 202 + 698? (a) 1500 (b) 1300 (c) 1400 (d) 1600
40. 40.Find the LCM of 8, 2 and 4.

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