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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 162 · 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.Farhan scored 16 marks out of 80 in a test. What percentage did Farhan score?
  2. 2.2.2 × 9 =
  3. 3.What is 3/8 of 16 kg?
  4. 4.Which is closest to 896 × 71? (Round each number first.) (a) 6300 (b) 126000 (c) 63000 (d) 630000
  5. 5.Sneha scored 40 marks out of 50 in a test. What percentage did Sneha score?
  6. 6.Three temple bells ring every 6, 30 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  7. 7.Which of these numbers divides exactly by 3? (a) 3526 (b) 8939 (c) 7856 (d) 8295
  8. 8.How many factors does 69 have?
  9. 9.Find the HCF of 24 and 21.
  10. 10.2.26 + 7.2 =
  11. 11.Find the HCF of 30 and 40.
  12. 12.Which of these numbers divides exactly by 6? (a) 2175 (b) 4602 (c) 3257 (d) 3877
  13. 13.Three temple bells ring every 15, 9 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.The HCF of two numbers is 9 and their LCM is 504. One of the numbers is 63. What is the other number?
  15. 15.Three temple bells ring every 24, 6 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  16. 16.Find the LCM of 4 and 6.
  17. 17.Divide ₹464 between Isha and Diya in the ratio 7 : 9. How much does Diya get (in ₹)?
  18. 18.Three temple bells ring every 6, 12 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.Which is closest to 897 + 505 + 899? (a) 2500 (b) 2300 (c) 2400 (d) 2200
  20. 20.1/10 + 8/12 =
  21. 21.Which is closest to 900 + 103 + 399? (a) 1600 (b) 1500 (c) 1400 (d) 1300
  22. 22.What is 120% of 365?
  23. 23.Dev takes 72 seconds and Rohan 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?
  24. 24.Find the LCM of 45 and 10.
  25. 25.Vivaan takes 48 seconds and Ishaan takes 36 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.The HCF of two numbers is 5 and their LCM is 90. One of the numbers is 10. What is the other number?
  27. 27.The ratio of boys to girls in a class is 4 : 1. There are 12 boys. How many girls are there?
  28. 28.8.5 × 8 =
  29. 29.Write 49/50 as a percent.
  30. 30.6 : 7 = 48 : ?
  31. 31.Two tanks hold 175 litres and 225 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  32. 32.1/5 of 20 + 3 × 7 =
  33. 33.What is 40% of 245?
  34. 34.Find the HCF of 21 and 15.
  35. 35.What percent of 200 is 184?
  36. 36.11 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
  37. 37.What is the smallest number you must take away from 557 so that it divides exactly by 9?
  38. 38.Vivaan scored 8 marks out of 40 in a test. What percentage did Vivaan score?
  39. 39.Find the HCF of 75 and 90.
  40. 40.20% of a number is 115. What is the number?

Answer key

  1. 20
  2. 19.8
  3. 6
  4. 63000
  5. 80
  6. 90
  7. 8295
  8. 4
  9. 3
  10. 9.46
  11. 10
  12. 4602
  13. 90
  14. 72
  15. 72
  16. 12
  17. 261
  18. 60
  19. 2300
  20. 23/30
  21. 1400
  22. 438
  23. 360
  24. 90
  25. 144
  26. 45
  27. 3
  28. 68
  29. 98
  30. 56
  31. 25
  32. 25
  33. 98
  34. 3
  35. 92
  36. 11
  37. 8
  38. 20
  39. 15
  40. 575

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