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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 710 · 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. 1.55 ÷ 5 × 6 + 8 =
  2. 2.What is 1/6 of 126 kg?
  3. 3.Sneha takes 40 seconds and Zoya takes 72 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?
  4. 4.Meera scored 52 marks out of 80 in a test. What percentage did Meera score?
  5. 5.Divide ₹392 between Ishaan and Kavya in the ratio 1 : 7. How much does Kavya get (in ₹)?
  6. 6.If 7 kg of rice costs ₹602, how many kg can you buy for ₹430?
  7. 7.6.1 × 2 =
  8. 8.Find the HCF of 22 and 33.
  9. 9.Find the LCM of 6, 14 and 2.
  10. 10.Find the LCM of 10, 5 and 15.
  11. 11.72 ÷ 9 × 6 + 2 =
  12. 12.3/8 × 5/10 =
  13. 13.Which is closest to 196 × 82? (Round each number first.) (a) 16000 (b) 1600 (c) 160000 (d) 32000
  14. 14.Farhan scored 32 marks out of 40 in a test. What percentage did Farhan score?
  15. 15.A hall floor is 175 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  16. 16.How many factors does 42 have?
  17. 17.5/6 of 18 + 9 × 2 =
  18. 18.18 ÷ 9 × 4 + 26 =
  19. 19.If 5 kites cost ₹160, how much do 12 kites cost (in ₹)?
  20. 20.4/9 of 36 + 8 × 4 =
  21. 21.6.03 + 7.9 =
  22. 22.1.5 × 7 =
  23. 23.Divide ₹246 between Rohan and Isha in the ratio 1 : 5. How much does Rohan get (in ₹)?
  24. 24.What is the smallest number you must add to 719 so that it divides exactly by 4?
  25. 25.Saanvi scored 12 marks out of 20 in a test. What percentage did Saanvi score?
  26. 26.Which of these numbers divides exactly by 3? (a) 4664 (b) 3695 (c) 7313 (d) 9486
  27. 27.What is the smallest number you must take away from 546 so that it divides exactly by 11?
  28. 28.19 + 6 × 4 − 14 =
  29. 29.A hostel has enough food for 6 students for 19 days. How many days will the same food last for 19 students?
  30. 30.Divide ₹90 between Sneha and Kavya in the ratio 2 : 3. How much does Kavya get (in ₹)?
  31. 31.What percent of 20 is 19?
  32. 32.12 + 7 × 4 − 3 =
  33. 33.12 + 11 × 12 − 11 =
  34. 34.Find the third proportional to 6 and 18 (that is, 6 : 18 = 18 : ?).
  35. 35.Sneha takes 60 seconds and Aditya 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?
  36. 36.58.4 ÷ 8 =
  37. 37.30 ÷ 6 × 7 + 8 =
  38. 38.The HCF of two numbers is 8 and their LCM is 504. One of the numbers is 72. What is the other number?
  39. 39.What is 150% of 376?
  40. 40.21 ÷ 7 × 3 + 26 =

Answer key

  1. 74
  2. 21
  3. 360
  4. 65
  5. 343
  6. 5
  7. 12.2
  8. 11
  9. 42
  10. 30
  11. 50
  12. 3/16
  13. 16000
  14. 80
  15. 28
  16. 8
  17. 33
  18. 34
  19. 384
  20. 48
  21. 13.93
  22. 10.5
  23. 41
  24. 1
  25. 60
  26. 9486
  27. 7
  28. 29
  29. 6
  30. 54
  31. 95
  32. 37
  33. 133
  34. 54
  35. 180
  36. 7.3
  37. 43
  38. 56
  39. 564
  40. 35

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