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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 753 · 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 × (11 − 9) + 36 ÷ 9 =
  2. 2.1/5 + 3/12 =
  3. 3.Which is closest to 897 + 599 + 701? (a) 2200 (b) 2400 (c) 2300 (d) 2100
  4. 4.Round 77246 to the nearest ten.
  5. 5.What is the smallest number you must add to 529 so that it divides exactly by 9?
  6. 6.Which of these numbers divides exactly by 9? (a) 2007 (b) 5452 (c) 9182 (d) 5235
  7. 7.47 + 9 × 6 − 39 =
  8. 8.What percent of 20 is 9?
  9. 9.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 2 students?
  10. 10.Find the HCF of 44 and 33.
  11. 11.A car goes 38 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
  12. 12.Divide ₹33 between Vivaan and Kavya in the ratio 1 : 2. How much does Vivaan get (in ₹)?
  13. 13.Three temple bells ring every 6, 8 and 9 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.80% of a number is 340. What is the number?
  15. 15.Three temple bells ring every 9, 12 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  16. 16.Three temple bells ring every 10, 8 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  17. 17.A hall floor is 150 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  18. 18.7 : 11 = 49 : ?
  19. 19.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 8, 10 or 3.
  20. 20.Divide ₹290 between Pooja and Farhan in the ratio 2 : 3. How much does Farhan get (in ₹)?
  21. 21.1.57 + 3.7 =
  22. 22.The HCF of two numbers is 8 and their LCM is 240. One of the numbers is 40. What is the other number?
  23. 23.What percent of 25 is 7?
  24. 24.Two tanks hold 40 litres and 25 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  25. 25.Meera takes 48 seconds and Rahul takes 80 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. 26.3/9 + 7/8 =
  27. 27.Round 38.36 to one decimal place. =
  28. 28.What percent of 500 is 470?
  29. 29.Which is closest to 1797 ÷ 29? (a) 30 (b) 60 (c) 600 (d) 120
  30. 30.If 6 kg of rice costs ₹336, how many kg can you buy for ₹728?
  31. 31.30% of a number is 75. What is the number?
  32. 32.33.2 ÷ 4 =
  33. 33.What is the smallest number you must take away from 876 so that it divides exactly by 7?
  34. 34.Find the third proportional to 9 and 18 (that is, 9 : 18 = 18 : ?).
  35. 35.The HCF of two numbers is 8 and their LCM is 96. One of the numbers is 32. What is the other number?
  36. 36.Which of these numbers divides exactly by 6? (a) 4156 (b) 8452 (c) 4206 (d) 9537
  37. 37.Which is closest to 903 + 896 + 102? (a) 2000 (b) 1900 (c) 2100 (d) 1800
  38. 38.Which of these numbers divides exactly by 4? (a) 5327 (b) 4648 (c) 2505 (d) 7069
  39. 39.Find the LCM of 4, 5 and 11.
  40. 40.Which of these numbers divides exactly by 3? (a) 5659 (b) 5476 (c) 6885 (d) 1126

Answer key

  1. 22
  2. 9/20
  3. 2200
  4. 77250
  5. 2
  6. 2007
  7. 62
  8. 45
  9. 14
  10. 11
  11. 418
  12. 11
  13. 72
  14. 425
  15. 72
  16. 40
  17. 6
  18. 77
  19. 121
  20. 174
  21. 5.27
  22. 48
  23. 28
  24. 5
  25. 240
  26. 29/24
  27. 38.4
  28. 94
  29. 60
  30. 13
  31. 250
  32. 8.3
  33. 1
  34. 36
  35. 24
  36. 4206
  37. 1900
  38. 4648
  39. 220
  40. 6885

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