← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 145 · 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.Which of these numbers divides exactly by 6? (a) 2674 (b) 8774 (c) 3582 (d) 1498
  2. 2.Find the smallest number bigger than 12 that leaves a remainder of 4 when divided by 5, 10 or 12.
  3. 3.What is 25% of 92?
  4. 4.Find the HCF of 35 and 49.
  5. 5.9.9 × 6 =
  6. 6.18.2 ÷ 2 =
  7. 7.What is the smallest number you must take away from 613 so that it divides exactly by 11?
  8. 8.If 6 kg of rice costs ₹306, how many kg can you buy for ₹612?
  9. 9.Find the third proportional to 7 and 21 (that is, 7 : 21 = 21 : ?).
  10. 10.What is 5% of 20?
  11. 11.Meera takes 72 seconds and Diya 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?
  12. 12.Divide ₹112 between Manav and Arjun in the ratio 5 : 3. How much does Manav get (in ₹)?
  13. 13.The ratio of boys to girls in a class is 6 : 1. There are 18 boys. How many girls are there?
  14. 14.A car goes 88 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
  15. 15.A hall floor is 150 cm long and 90 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.11 : 14 = 77 : ?
  17. 17.42 + 2 × 4 − 27 =
  18. 18.9 × (23 − 21) + 22 ÷ 2 =
  19. 19.Which is closest to 602 × 72? (Round each number first.) (a) 84000 (b) 42000 (c) 4200 (d) 420000
  20. 20.34 − 21 ÷ 7 × 7 =
  21. 21.A car goes 77 km on 7 litres of petrol. How far can it go on 10 litres (in km)?
  22. 22.Divide ₹165 between Diya and Ishaan in the ratio 1 : 2. How much does Ishaan get (in ₹)?
  23. 23.Write 1/4 as a percent.
  24. 24.Find the HCF of 18 and 16.
  25. 25.Divide ₹77 between Karan and Arjun in the ratio 2 : 9. How much does Arjun get (in ₹)?
  26. 26.What is the smallest number you must add to 548 so that it divides exactly by 7?
  27. 27.1/2 × 7/8 =
  28. 28.6.94 + 7.2 =
  29. 29.Round 39126 to the nearest hundred.
  30. 30.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 10, 9 or 3.
  31. 31.Three temple bells ring every 5, 4 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  32. 32.Which is closest to 703 × 58? (Round each number first.) (a) 420000 (b) 4200 (c) 84000 (d) 42000
  33. 33.The ratio of boys to girls in a class is 4 : 3. There are 8 boys. How many girls are there?
  34. 34.3/5 − 3/12 =
  35. 35.Find the HCF of 36 and 60.
  36. 36.33 − 14 ÷ 7 × 5 =
  37. 37.20% of a number is 4. What is the number?
  38. 38.What is the smallest number you must add to 977 so that it divides exactly by 7?
  39. 39.If 6 kg of rice costs ₹396, how many kg can you buy for ₹726?
  40. 40.What percent of 40 is 24?

Answer key

  1. 3582
  2. 64
  3. 23
  4. 7
  5. 59.4
  6. 9.1
  7. 8
  8. 12
  9. 63
  10. 1
  11. 360
  12. 70
  13. 3
  14. 132
  15. 15
  16. 98
  17. 23
  18. 29
  19. 42000
  20. 13
  21. 110
  22. 110
  23. 25
  24. 2
  25. 63
  26. 5
  27. 7/16
  28. 14.14
  29. 39100
  30. 91
  31. 60
  32. 42000
  33. 6
  34. 7/20
  35. 12
  36. 23
  37. 20
  38. 3
  39. 11
  40. 60

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