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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 598 · 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.If 9 mangoes cost ₹117, how much do 15 mangoes cost (in ₹)?
  2. 2.Round 54924 to the nearest hundred.
  3. 3.Two tanks hold 90 litres and 80 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  4. 4.Find the LCM of 3, 6 and 9.
  5. 5.8 × (13 − 12) + 10 ÷ 5 =
  6. 6.8 painters can paint a school in 5 days. How many days would 4 painters take, working at the same speed?
  7. 7.39.5 ÷ 5 =
  8. 8.7/9 − 1/2 =
  9. 9.12 : 8 = 24 : ?
  10. 10.5 : 3 = 40 : ?
  11. 11.20.1 ÷ 3 =
  12. 12.If 2 kg of rice costs ₹114, how many kg can you buy for ₹342?
  13. 13.Find the third proportional to 3 and 6 (that is, 3 : 6 = 6 : ?).
  14. 14.Karan scored 26 marks out of 40 in a test. What percentage did Karan score?
  15. 15.Divide ₹221 between Isha and Diya in the ratio 6 : 7. How much does Diya get (in ₹)?
  16. 16.What is the smallest number you must add to 895 so that it divides exactly by 7?
  17. 17.A hostel has enough food for 12 students for 17 days. How many days will the same food last for 4 students?
  18. 18.51 − 36 ÷ 4 × 5 =
  19. 19.Zoya scored 17 marks out of 25 in a test. What percentage did Zoya score?
  20. 20.Which of these numbers divides exactly by 3? (a) 5200 (b) 2426 (c) 1317 (d) 7576
  21. 21.Which is closest to 1006 ÷ 51? (a) 200 (b) 20 (c) 10 (d) 40
  22. 22.Three temple bells ring every 8, 6 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  23. 23.The HCF of two numbers is 8 and their LCM is 320. One of the numbers is 64. What is the other number?
  24. 24.(20 + 18) × 9 − 7 =
  25. 25.Three temple bells ring every 8, 5 and 20 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.What is the smallest number you must take away from 552 so that it divides exactly by 9?
  27. 27.Divide ₹728 between Nisha and Isha in the ratio 4 : 9. How much does Nisha get (in ₹)?
  28. 28.Find the LCM of 54 and 12.
  29. 29.What is the smallest number you must add to 444 so that it divides exactly by 13?
  30. 30.75% of a number is 132. What is the number?
  31. 31.(14 + 11) × 8 − 9 =
  32. 32.Write 39/50 as a percent.
  33. 33.Divide ₹350 between Priya and Meera in the ratio 5 : 9. How much does Priya get (in ₹)?
  34. 34.Find the smallest number bigger than 9 that leaves a remainder of 2 when divided by 3, 9 or 5.
  35. 35.If 9 kg of rice costs ₹720, how many kg can you buy for ₹320?
  36. 36.10/12 − 1/2 =
  37. 37.What percent of 500 is 310?
  38. 38.A hostel has enough food for 10 students for 14 days. How many days will the same food last for 14 students?
  39. 39.1.12 + 3.3 =
  40. 40.Divide ₹234 between Ananya and Zoya in the ratio 8 : 5. How much does Zoya get (in ₹)?

Answer key

  1. 195
  2. 54900
  3. 10
  4. 18
  5. 10
  6. 10
  7. 7.9
  8. 5/18
  9. 16
  10. 24
  11. 6.7
  12. 6
  13. 12
  14. 65
  15. 119
  16. 1
  17. 51
  18. 6
  19. 68
  20. 1317
  21. 20
  22. 120
  23. 40
  24. 335
  25. 40
  26. 3
  27. 224
  28. 108
  29. 11
  30. 176
  31. 191
  32. 78
  33. 125
  34. 47
  35. 4
  36. 1/3
  37. 62
  38. 10
  39. 4.42
  40. 90

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