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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 775 · 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. 1.16.4 ÷ 4 =
  2. 2.Which is closest to 601 × 31? (Round each number first.) (a) 18000 (b) 1800 (c) 180000 (d) 36000
  3. 3.30% of a number is 150. What is the number?
  4. 4.What is the smallest number you must add to 332 so that it divides exactly by 9?
  5. 5.Divide ₹500 between Arjun and Aarav in the ratio 1 : 9. How much does Aarav get (in ₹)?
  6. 6.Divide ₹216 between Pooja and Tara in the ratio 7 : 5. How much does Pooja get (in ₹)?
  7. 7.How many factors does 99 have?
  8. 8.Round 64741 to the nearest ten.
  9. 9.7.2 × 5 =
  10. 10.Isha scored 16 marks out of 25 in a test. What percentage did Isha score?
  11. 11.4/6 + 2/3 =
  12. 12.Isha takes 30 seconds and Diya takes 48 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?
  13. 13.Which is closest to 1500 ÷ 31? (a) 100 (b) 50 (c) 500 (d) 25
  14. 14.8/9 of 72 + 7 × 6 =
  15. 15.25 ÷ 5 × 4 + 30 =
  16. 16.5.29 + 5.4 =
  17. 17.Write 7/20 as a percent.
  18. 18.What percent of 250 is 105?
  19. 19.A hostel has enough food for 2 students for 9 days. How many days will the same food last for 9 students?
  20. 20.The HCF of two numbers is 6 and their LCM is 378. One of the numbers is 42. What is the other number?
  21. 21.Which is closest to 298 × 59? (Round each number first.) (a) 18000 (b) 1800 (c) 36000 (d) 180000
  22. 22.Find the smallest number bigger than 12 that leaves a remainder of 3 when divided by 12, 8 or 5.
  23. 23.The HCF of two numbers is 8 and their LCM is 280. One of the numbers is 40. What is the other number?
  24. 24.25.6 ÷ 8 =
  25. 25.A car goes 42 km on 3 litres of petrol. How far can it go on 16 litres (in km)?
  26. 26.Which is closest to 796 + 795 + 898? (a) 2600 (b) 2500 (c) 2400 (d) 2700
  27. 27.If 3 kg of rice costs ₹270, how many kg can you buy for ₹1260?
  28. 28.36 ÷ 9 × 9 + 4 =
  29. 29.If 4 kg of rice costs ₹160, how many kg can you buy for ₹600?
  30. 30.Find the LCM of 3, 13 and 15.
  31. 31.Which of these numbers divides exactly by 4? (a) 5717 (b) 4871 (c) 1179 (d) 6984
  32. 32.Find the smallest number bigger than 10 that leaves a remainder of 1 when divided by 10, 3 or 5.
  33. 33.A hostel has enough food for 4 students for 14 days. How many days will the same food last for 7 students?
  34. 34.75% of a number is 444. What is the number?
  35. 35.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 3 students?
  36. 36.What is the smallest number you must take away from 987 so that it divides exactly by 8?
  37. 37.Kabir takes 45 seconds and Kavya takes 75 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?
  38. 38.7.27 + 7.4 =
  39. 39.Which of these numbers divides exactly by 9? (a) 5437 (b) 3490 (c) 6615 (d) 1772
  40. 40.6/8 + 5/7 =

Answer key

  1. 4.1
  2. 18000
  3. 500
  4. 1
  5. 450
  6. 126
  7. 6
  8. 64740
  9. 36
  10. 64
  11. 4/3
  12. 240
  13. 50
  14. 106
  15. 50
  16. 10.69
  17. 35
  18. 42
  19. 2
  20. 54
  21. 18000
  22. 123
  23. 56
  24. 3.2
  25. 224
  26. 2500
  27. 14
  28. 40
  29. 15
  30. 195
  31. 6984
  32. 31
  33. 8
  34. 592
  35. 25
  36. 3
  37. 225
  38. 14.67
  39. 6615
  40. 41/28

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