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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 137 · 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. 1.9.6 × 2 =
  2. 2.21 − 14 ÷ 7 × 2 =
  3. 3.The ratio of boys to girls in a class is 3 : 2. There are 6 boys. How many girls are there?
  4. 4.If 3 kg of rice costs ₹267, how many kg can you buy for ₹178?
  5. 5.Find the third proportional to 5 and 25 (that is, 5 : 25 = 25 : ?).
  6. 6.Which is closest to 4491 ÷ 49? (a) 900 (b) 45 (c) 180 (d) 90
  7. 7.30% of a number is 75. What is the number?
  8. 8.Which is closest to 601 + 801 + 401? (a) 1800 (b) 1900 (c) 2000 (d) 1700
  9. 9.45 + 11 × 10 − 1 =
  10. 10.A car goes 70 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
  11. 11.1/2 × 3/7 =
  12. 12.Which is closest to 300 × 39? (Round each number first.) (a) 12000 (b) 120000 (c) 24000 (d) 1200
  13. 13.Three temple bells ring every 15, 20 and 5 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.1/2 of 6 + 9 × 4 =
  15. 15.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?
  16. 16.A hostel has enough food for 11 students for 17 days. How many days will the same food last for 17 students?
  17. 17.The ratio of boys to girls in a class is 1 : 5. There are 6 boys. How many girls are there?
  18. 18.Aarav scored 17 marks out of 25 in a test. What percentage did Aarav score?
  19. 19.What is the smallest number you must add to 618 so that it divides exactly by 11?
  20. 20.Two tanks hold 100 litres and 225 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  21. 21.What is 10% of 190?
  22. 22.What is 8/9 of ₹81?
  23. 23.Which is closest to 600 + 696 + 201? (a) 1400 (b) 1700 (c) 1600 (d) 1500
  24. 24.How many factors does 34 have?
  25. 25.Kavya takes 80 seconds and Rahul 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?
  26. 26.7.03 + 8.4 =
  27. 27.Ishaan scored 5 marks out of 25 in a test. What percentage did Ishaan score?
  28. 28.Pooja scored 60 marks out of 80 in a test. What percentage did Pooja score?
  29. 29.How many factors does 95 have?
  30. 30.What percent of 250 is 10?
  31. 31.Which is closest to 202 + 497 + 403? (a) 1200 (b) 1300 (c) 1000 (d) 1100
  32. 32.If 9 notebooks cost ₹108, how much do 6 notebooks cost (in ₹)?
  33. 33.Divide ₹154 between Ananya and Vivaan in the ratio 6 : 1. How much does Vivaan get (in ₹)?
  34. 34.Which is closest to 199 + 200 + 899? (a) 1300 (b) 1200 (c) 1500 (d) 1400
  35. 35.If 3 kg of rice costs ₹231, how many kg can you buy for ₹1155?
  36. 36.9 : 4 = 45 : ?
  37. 37.How many factors does 74 have?
  38. 38.Two tanks hold 90 litres and 105 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.14 ÷ 7 × 5 + 27 =
  40. 40.A car goes 153 km on 9 litres of petrol. How far can it go on 15 litres (in km)?

Answer key

  1. 19.2
  2. 17
  3. 4
  4. 2
  5. 125
  6. 90
  7. 250
  8. 1800
  9. 154
  10. 364
  11. 3/14
  12. 12000
  13. 60
  14. 39
  15. 10
  16. 11
  17. 30
  18. 68
  19. 9
  20. 25
  21. 19
  22. 72
  23. 1500
  24. 4
  25. 720
  26. 15.43
  27. 20
  28. 75
  29. 4
  30. 4
  31. 1100
  32. 72
  33. 22
  34. 1300
  35. 15
  36. 20
  37. 4
  38. 15
  39. 37
  40. 255

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