← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 750 · 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 296 × 52? (Round each number first.) (a) 15000 (b) 30000 (c) 1500 (d) 150000
  2. 2.Three temple bells ring every 9, 30 and 6 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  3. 3.The HCF of two numbers is 8 and their LCM is 280. One of the numbers is 40. What is the other number?
  4. 4.What percent of 40 is 16?
  5. 5.Manav scored 17 marks out of 25 in a test. What percentage did Manav score?
  6. 6.Which of these numbers divides exactly by 8? (a) 6729 (b) 3059 (c) 2992 (d) 9323
  7. 7.Which is closest to 909 ÷ 29? (a) 30 (b) 15 (c) 60 (d) 300
  8. 8.What is the smallest number you must add to 780 so that it divides exactly by 8?
  9. 9.Find the third proportional to 4 and 8 (that is, 4 : 8 = 8 : ?).
  10. 10.A car goes 64 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
  11. 11.13 + 4 × 11 − 3 =
  12. 12.9/10 − 4/12 =
  13. 13.Find the LCM of 9 and 12.
  14. 14.A hall floor is 210 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  15. 15.What is the smallest number you must add to 513 so that it divides exactly by 6?
  16. 16.What is the smallest number you must add to 231 so that it divides exactly by 4?
  17. 17.5/6 + 4/12 =
  18. 18.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?
  19. 19.Which is closest to 301 + 196 + 599? (a) 1300 (b) 1000 (c) 1200 (d) 1100
  20. 20.Three temple bells ring every 6, 5 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  21. 21.Find the LCM of 2, 8 and 14.
  22. 22.Find the LCM of 2, 15 and 14.
  23. 23.What is 50% of 288?
  24. 24.Tara scored 39 marks out of 50 in a test. What percentage did Tara score?
  25. 25.Divide ₹649 between Ishaan and Dev in the ratio 5 : 6. How much does Ishaan get (in ₹)?
  26. 26.If 6 kg of rice costs ₹348, how many kg can you buy for ₹522?
  27. 27.15% of a number is 87. What is the number?
  28. 28.If 2 kg of rice costs ₹150, how many kg can you buy for ₹225?
  29. 29.54.4 ÷ 8 =
  30. 30.Two tanks hold 350 litres and 400 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  31. 31.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  32. 32.96 ÷ 8 × 2 + 19 =
  33. 33.Manav scored 14 marks out of 40 in a test. What percentage did Manav score?
  34. 34.Sneha scored 9 marks out of 25 in a test. What percentage did Sneha score?
  35. 35.Find the LCM of 24 and 42.
  36. 36.45 ÷ 9 × 6 + 1 =
  37. 37.A hostel has enough food for 3 students for 22 days. How many days will the same food last for 2 students?
  38. 38.Which of these numbers divides exactly by 3? (a) 2973 (b) 7490 (c) 2108 (d) 5108
  39. 39.What is 150% of 592?
  40. 40.Find the LCM of 25 and 15.

Answer key

  1. 15000
  2. 90
  3. 56
  4. 40
  5. 68
  6. 2992
  7. 30
  8. 4
  9. 16
  10. 224
  11. 54
  12. 17/30
  13. 36
  14. 28
  15. 3
  16. 1
  17. 7/6
  18. 60
  19. 1100
  20. 60
  21. 56
  22. 210
  23. 144
  24. 78
  25. 295
  26. 9
  27. 580
  28. 3
  29. 6.8
  30. 50
  31. 18
  32. 43
  33. 35
  34. 36
  35. 168
  36. 31
  37. 33
  38. 2973
  39. 888
  40. 75

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