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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 314 · 40 questions
TalentJR

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?

NameDateTime takenScore ___ / 40
  1. 1.Divide ₹143 between Saanvi and Aditya in the ratio 4 : 7. How much does Saanvi get (in ₹)?
  2. 2.(12 + 3) × 2 − 2 =
  3. 3.1/6 × 2/3 =
  4. 4.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
  5. 5.What is 2/9 of ₹27?
  6. 6.If 4 kg of rice costs ₹152, how many kg can you buy for ₹380?
  7. 7.28.8 ÷ 3 =
  8. 8.Find the LCM of 3 and 4.
  9. 9.22 ÷ 2 × 9 + 3 =
  10. 10.What is the smallest number you must add to 184 so that it divides exactly by 13?
  11. 11.Write 19/25 as a percent.
  12. 12.What is the smallest number you must take away from 208 so that it divides exactly by 7?
  13. 13.What percent of 80 is 20?
  14. 14.Find the HCF of 66 and 55.
  15. 15.4 × (27 − 24) + 25 ÷ 5 =
  16. 16.16 + 4 × 11 − 16 =
  17. 17.Diya scored 26 marks out of 50 in a test. What percentage did Diya score?
  18. 18.What is the smallest number you must take away from 394 so that it divides exactly by 8?
  19. 19.5/12 + 8/9 =
  20. 20.2 × (14 − 2) + 4 ÷ 2 =
  21. 21.49 + 10 × 8 − 26 =
  22. 22.9 painters can paint a school in 30 days. How many days would 6 painters take, working at the same speed?
  23. 23.Divide ₹424 between Aditya and Meera in the ratio 3 : 5. How much does Meera get (in ₹)?
  24. 24.25 + 4 × 5 − 4 =
  25. 25.The ratio of boys to girls in a class is 4 : 1. There are 36 boys. How many girls are there?
  26. 26.A car goes 80 km on 8 litres of petrol. How far can it go on 21 litres (in km)?
  27. 27.The ratio of boys to girls in a class is 4 : 5. There are 8 boys. How many girls are there?
  28. 28.21.2 ÷ 4 =
  29. 29.4 × (11 − 9) + 16 ÷ 2 =
  30. 30.If 10 cricket balls cost ₹540, how much do 5 cricket balls cost (in ₹)?
  31. 31.18 ÷ 6 × 9 + 4 =
  32. 32.Find the LCM of 9 and 21.
  33. 33.Which is closest to 900 × 88? (Round each number first.) (a) 8100 (b) 81000 (c) 810000 (d) 162000
  34. 34.Sneha takes 54 seconds and Ishaan takes 45 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 8 that leaves a remainder of 2 when divided by 8, 4 or 3.
  36. 36.150% of a number is 195. What is the number?
  37. 37.(10 + 3) × 3 − 20 =
  38. 38.Find the HCF of 15 and 10.
  39. 39.Which of these numbers divides exactly by 6? (a) 1723 (b) 9441 (c) 3672 (d) 1786
  40. 40.The ratio of boys to girls in a class is 1 : 2. There are 10 boys. How many girls are there?

Answer key

  1. 52
  2. 28
  3. 1/9
  4. 125
  5. 6
  6. 10
  7. 9.6
  8. 12
  9. 102
  10. 11
  11. 76
  12. 5
  13. 25
  14. 11
  15. 17
  16. 44
  17. 52
  18. 2
  19. 47/36
  20. 26
  21. 103
  22. 45
  23. 265
  24. 41
  25. 9
  26. 210
  27. 10
  28. 5.3
  29. 16
  30. 270
  31. 31
  32. 63
  33. 81000
  34. 270
  35. 26
  36. 130
  37. 19
  38. 5
  39. 3672
  40. 20

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