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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 874 · 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 ₹232 between Karan and Aarav in the ratio 1 : 3. How much does Aarav get (in ₹)?
  2. 2.37 + 3 × 6 − 5 =
  3. 3.A car goes 16 km on 2 litres of petrol. How far can it go on 37 litres (in km)?
  4. 4.Two tanks hold 100 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  5. 5.Which is closest to 497 + 905 + 496? (a) 2100 (b) 2000 (c) 1900 (d) 1800
  6. 6.What is 30% of 300?
  7. 7.24 ÷ 2 × 2 + 19 =
  8. 8.What is 1/2 of ₹16?
  9. 9.Divide ₹135 between Ananya and Aditya in the ratio 1 : 8. How much does Ananya get (in ₹)?
  10. 10.A hall floor is 350 cm long and 150 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  11. 11.2 × (12 − 3) + 49 ÷ 7 =
  12. 12.Find the LCM of 35 and 30.
  13. 13.Which is closest to 103 + 495 + 903? (a) 1700 (b) 1500 (c) 1600 (d) 1400
  14. 14.A car goes 90 km on 10 litres of petrol. How far can it go on 39 litres (in km)?
  15. 15.Which of these numbers divides exactly by 9? (a) 3363 (b) 1513 (c) 8402 (d) 9819
  16. 16.Find the HCF of 39 and 26.
  17. 17.25% of a number is 121. What is the number?
  18. 18.Sneha scored 10 marks out of 40 in a test. What percentage did Sneha score?
  19. 19.1/5 × 2/4 =
  20. 20.Three temple bells ring every 5, 18 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  21. 21.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 3, 10 or 4.
  22. 22.12 : 13 = 36 : ?
  23. 23.Two tanks hold 90 litres and 40 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  24. 24.How many factors does 12 have?
  25. 25.The ratio of boys to girls in a class is 9 : 7. There are 63 boys. How many girls are there?
  26. 26.A car goes 90 km on 6 litres of petrol. How far can it go on 10 litres (in km)?
  27. 27.Which is closest to 697 × 82? (Round each number first.) (a) 5600 (b) 560000 (c) 112000 (d) 56000
  28. 28.Find the HCF of 9 and 15.
  29. 29.Divide ₹396 between Isha and Aarav in the ratio 3 : 8. How much does Isha get (in ₹)?
  30. 30.24 ÷ 2 × 2 + 4 =
  31. 31.What is 1/4 of 68 kg?
  32. 32.How many factors does 99 have?
  33. 33.Which of these numbers divides exactly by 3? (a) 8221 (b) 5799 (c) 5855 (d) 4015
  34. 34.4 : 2 = 28 : ?
  35. 35.Karan takes 45 seconds and Rohan 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?
  36. 36.12% of a number is 21. What is the number?
  37. 37.Round 89.27 to one decimal place. =
  38. 38.Three temple bells ring every 20, 12 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  39. 39.What is the smallest number you must take away from 865 so that it divides exactly by 11?
  40. 40.Round 72.53 to one decimal place. =

Answer key

  1. 174
  2. 50
  3. 296
  4. 20
  5. 1900
  6. 90
  7. 43
  8. 8
  9. 15
  10. 21
  11. 25
  12. 210
  13. 1500
  14. 351
  15. 9819
  16. 13
  17. 484
  18. 25
  19. 1/10
  20. 90
  21. 61
  22. 39
  23. 10
  24. 6
  25. 49
  26. 150
  27. 56000
  28. 3
  29. 108
  30. 28
  31. 17
  32. 6
  33. 5799
  34. 14
  35. 90
  36. 175
  37. 89.3
  38. 60
  39. 7
  40. 72.5

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