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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 323 · 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 is closest to 1598 ÷ 41? (a) 80 (b) 40 (c) 20 (d) 400
  2. 2.Which is closest to 2004 ÷ 49? (a) 400 (b) 20 (c) 80 (d) 40
  3. 3.Vivaan takes 80 seconds and Karan 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?
  4. 4.Divide ₹252 between Ishaan and Farhan in the ratio 4 : 3. How much does Ishaan get (in ₹)?
  5. 5.What is the smallest number you must add to 285 so that it divides exactly by 7?
  6. 6.If 10 mangoes cost ₹420, how much do 12 mangoes cost (in ₹)?
  7. 7.Pooja scored 24 marks out of 80 in a test. What percentage did Pooja score?
  8. 8.4.59 + 8.4 =
  9. 9.4.6 × 5 =
  10. 10.How many factors does 33 have?
  11. 11.8 : 2 = 32 : ?
  12. 12.Three temple bells ring every 12, 4 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.Two tanks hold 150 litres and 250 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  14. 14.8/12 + 4/11 =
  15. 15.If 12 notebooks cost ₹60, how much do 4 notebooks cost (in ₹)?
  16. 16.Find the HCF of 50 and 60.
  17. 17.What percent of 25 is 19?
  18. 18.83 − 18 ÷ 2 × 9 =
  19. 19.Which is closest to 898 × 19? (Round each number first.) (a) 36000 (b) 1800 (c) 180000 (d) 18000
  20. 20.19 + 4 × 11 − 10 =
  21. 21.What is the smallest number you must add to 225 so that it divides exactly by 11?
  22. 22.Which is closest to 901 + 197 + 101? (a) 1200 (b) 1400 (c) 1300 (d) 1100
  23. 23.12 : 6 = 72 : ?
  24. 24.Three temple bells ring every 12, 4 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  25. 25.25 + 9 × 2 − 15 =
  26. 26.Which of these numbers divides exactly by 8? (a) 2812 (b) 4259 (c) 9984 (d) 8388
  27. 27.5/9 + 2/3 =
  28. 28.A hostel has enough food for 9 students for 11 days. How many days will the same food last for 3 students?
  29. 29.9.49 + 8.4 =
  30. 30.3 : 10 = 12 : ?
  31. 31.5 : 4 = 10 : ?
  32. 32.The ratio of boys to girls in a class is 9 : 7. There are 36 boys. How many girls are there?
  33. 33.Find the third proportional to 8 and 16 (that is, 8 : 16 = 16 : ?).
  34. 34.A hall floor is 360 cm long and 300 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  35. 35.3 : 6 = 24 : ?
  36. 36.Find the third proportional to 7 and 35 (that is, 7 : 35 = 35 : ?).
  37. 37.3.03 + 8.7 =
  38. 38.What is the smallest number you must take away from 174 so that it divides exactly by 4?
  39. 39.Which is closest to 2096 ÷ 31? (a) 700 (b) 140 (c) 70 (d) 35
  40. 40.A car goes 216 km on 12 litres of petrol. How far can it go on 9 litres (in km)?

Answer key

  1. 40
  2. 40
  3. 240
  4. 144
  5. 2
  6. 504
  7. 30
  8. 12.99
  9. 23
  10. 4
  11. 8
  12. 60
  13. 50
  14. 34/33
  15. 20
  16. 10
  17. 76
  18. 2
  19. 18000
  20. 53
  21. 6
  22. 1200
  23. 36
  24. 36
  25. 28
  26. 9984
  27. 11/9
  28. 33
  29. 17.89
  30. 40
  31. 8
  32. 28
  33. 32
  34. 30
  35. 48
  36. 175
  37. 11.73
  38. 2
  39. 70
  40. 162

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