Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 663 · 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.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 9, 5 or 3.
2. 2.What is 1/4 of ₹68?
3. 3.5 : 6 = 20 : ?
4. 4.How many factors does 25 have?
5. 5.Kavya takes 60 seconds and Pooja 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?
6. 6.What is the smallest number you must take away from 928 so that it divides exactly by 13?
7. 7.If 8 pencil boxes cost ₹320, how much do 3 pencil boxes cost (in ₹)?
8. 8.Find the LCM of 5, 3 and 15.
9. 9.Find the HCF of 16 and 10.
10. 10.(19 + 19) × 2 − 4 =
11. 11.27 + 9 × 3 − 12 =
12. 12.2 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
13. 13.What percent of 40 is 14?
14. 14.A hall floor is 480 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
15. 15.3 × (14 − 4) + 30 ÷ 5 =
16. 16.What is the smallest number you must add to 223 so that it divides exactly by 3?
17. 17.Which is closest to 899 × 49? (Round each number first.) (a) 4500 (b) 45000 (c) 450000 (d) 90000
18. 18.Zoya scored 60 marks out of 80 in a test. What percentage did Zoya score?
19. 19.Which is closest to 199 × 78? (Round each number first.) (a) 32000 (b) 160000 (c) 16000 (d) 1600
20. 20.What is the smallest number you must add to 270 so that it divides exactly by 8?
21. 21.What is 10% of 320?
22. 22.If 10 pencil boxes cost ₹190, how much do 20 pencil boxes cost (in ₹)?
23. 23.Divide ₹357 between Sneha and Tara in the ratio 3 : 4. How much does Sneha get (in ₹)?
24. 24.4/6 − 1/4 =
25. 25.Find the smallest number bigger than 15 that leaves a remainder of 1 when divided by 3, 15 or 4.
26. 26.1.14 + 3.3 =
27. 27.A car goes 189 km on 9 litres of petrol. How far can it go on 37 litres (in km)?
28. 28.Three temple bells ring every 10, 6 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
29. 29.Which is closest to 204 × 49? (Round each number first.) (a) 100000 (b) 10000 (c) 1000 (d) 20000
30. 30.A hall floor is 240 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
31. 31.Three temple bells ring every 6, 8 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
32. 32.Which of these numbers divides exactly by 9? (a) 3433 (b) 5324 (c) 3654 (d) 5705
33. 33.Rohan takes 50 seconds and Meera 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?
34. 34.Two tanks hold 250 litres and 350 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
35. 35.5 : 9 = 30 : ?
36. 36.Rahul takes 72 seconds and Karan takes 60 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?
37. 37.Saanvi takes 30 seconds and Diya takes 48 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?
38. 38.What is 10% of 500?
39. 39.4/11 − 1/4 =
40. 40.9 × (28 − 19) + 96 ÷ 8 =

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