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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 436 · 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.Two tanks hold 90 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  2. 2.2/4 + 9/12 =
  3. 3.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 3, 8 or 15.
  4. 4.If 3 kg of rice costs ₹159, how many kg can you buy for ₹477?
  5. 5.10 : 4 = 30 : ?
  6. 6.If 8 kg of rice costs ₹680, how many kg can you buy for ₹935?
  7. 7.What is the smallest number you must add to 758 so that it divides exactly by 9?
  8. 8.What is the smallest number you must take away from 250 so that it divides exactly by 8?
  9. 9.What percent of 200 is 36?
  10. 10.Two tanks hold 60 litres and 100 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  11. 11.Which is closest to 602 ÷ 19? (a) 300 (b) 60 (c) 30 (d) 15
  12. 12.5.6 × 7 =
  13. 13.Write 16/25 as a percent.
  14. 14.Find the smallest number bigger than 10 that leaves a remainder of 3 when divided by 10, 6 or 5.
  15. 15.(6 + 7) × 7 − 4 =
  16. 16.Which is closest to 402 + 703 + 697? (a) 1900 (b) 1800 (c) 2000 (d) 1700
  17. 17.10 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
  18. 18.If 10 pens cost ₹520, how much do 8 pens cost (in ₹)?
  19. 19.Which of these numbers divides exactly by 9? (a) 3962 (b) 7491 (c) 1701 (d) 3063
  20. 20.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 3, 4 or 15.
  21. 21.Which is closest to 202 + 795 + 896? (a) 2000 (b) 1900 (c) 2100 (d) 1800
  22. 22.If 6 notebooks cost ₹234, how much do 14 notebooks cost (in ₹)?
  23. 23.Which is closest to 900 × 49? (Round each number first.) (a) 45000 (b) 90000 (c) 450000 (d) 4500
  24. 24.Find the third proportional to 6 and 12 (that is, 6 : 12 = 12 : ?).
  25. 25.Divide ₹663 between Zoya and Arjun in the ratio 8 : 5. How much does Zoya get (in ₹)?
  26. 26.A hostel has enough food for 4 students for 6 days. How many days will the same food last for 2 students?
  27. 27.18.3 ÷ 3 =
  28. 28.6/7 − 6/8 =
  29. 29.A car goes 56 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
  30. 30.If 6 kg of rice costs ₹264, how many kg can you buy for ₹572?
  31. 31.Rahul scored 4 marks out of 40 in a test. What percentage did Rahul score?
  32. 32.The ratio of boys to girls in a class is 3 : 4. There are 21 boys. How many girls are there?
  33. 33.Which is closest to 600 × 42? (Round each number first.) (a) 24000 (b) 240000 (c) 48000 (d) 2400
  34. 34.What is the smallest number you must take away from 448 so that it divides exactly by 6?
  35. 35.What percent of 25 is 6?
  36. 36.What is 15% of 40?
  37. 37.What is 40% of 420?
  38. 38.2.9 × 8 =
  39. 39.Which is closest to 800 × 49? (Round each number first.) (a) 80000 (b) 400000 (c) 4000 (d) 40000
  40. 40.Find the smallest number bigger than 6 that leaves a remainder of 2 when divided by 4, 5 or 6.

Answer key

  1. 10
  2. 5/4
  3. 122
  4. 9
  5. 12
  6. 11
  7. 7
  8. 2
  9. 18
  10. 20
  11. 30
  12. 39.2
  13. 64
  14. 33
  15. 87
  16. 1800
  17. 30
  18. 416
  19. 1701
  20. 62
  21. 1900
  22. 546
  23. 45000
  24. 24
  25. 408
  26. 12
  27. 6.1
  28. 3/28
  29. 112
  30. 13
  31. 10
  32. 28
  33. 24000
  34. 4
  35. 24
  36. 6
  37. 168
  38. 23.2
  39. 40000
  40. 62

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