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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 77 · 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. 1.1/9 of 63 + 9 × 3 =
  2. 2.Divide ₹350 between Manav and Farhan in the ratio 3 : 7. How much does Manav get (in ₹)?
  3. 3.Two tanks hold 150 litres and 180 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  4. 4.Which of these numbers divides exactly by 9? (a) 2806 (b) 2609 (c) 7114 (d) 3897
  5. 5.Which is closest to 297 × 40? (Round each number first.) (a) 1200 (b) 120000 (c) 24000 (d) 12000
  6. 6.Tara takes 60 seconds and Manav 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?
  7. 7.4 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
  8. 8.Write 1/5 as a percent.
  9. 9.What is the smallest number you must take away from 216 so that it divides exactly by 11?
  10. 10.7 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
  11. 11.Find the HCF of 21 and 15.
  12. 12.Two tanks hold 45 litres and 20 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  13. 13.A hostel has enough food for 4 students for 10 days. How many days will the same food last for 10 students?
  14. 14.Find the LCM of 13, 10 and 2.
  15. 15.How many factors does 98 have?
  16. 16.16.6 ÷ 2 =
  17. 17.4 ÷ 2 × 5 + 6 =
  18. 18.Which is closest to 1492 ÷ 29? (a) 100 (b) 500 (c) 50 (d) 25
  19. 19.If 3 kg of rice costs ₹114, how many kg can you buy for ₹570?
  20. 20.What is the smallest number you must add to 466 so that it divides exactly by 12?
  21. 21.54 ÷ 9 × 9 + 2 =
  22. 22.Which is closest to 1200 ÷ 29? (a) 400 (b) 20 (c) 40 (d) 80
  23. 23.66.6 ÷ 9 =
  24. 24.A hall floor is 200 cm long and 175 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  25. 25.Two tanks hold 105 litres and 60 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  26. 26.The HCF of two numbers is 9 and their LCM is 162. One of the numbers is 18. What is the other number?
  27. 27.What is the smallest number you must take away from 663 so that it divides exactly by 6?
  28. 28.Round 11.23 to one decimal place. =
  29. 29.Which is closest to 804 + 95 + 203? (a) 1200 (b) 1000 (c) 1300 (d) 1100
  30. 30.What is the smallest number you must add to 874 so that it divides exactly by 4?
  31. 31.Find the HCF of 60 and 36.
  32. 32.Divide ₹56 between Arjun and Meera in the ratio 7 : 1. How much does Meera get (in ₹)?
  33. 33.A car goes 26 km on 2 litres of petrol. How far can it go on 23 litres (in km)?
  34. 34.Find the HCF of 126 and 98.
  35. 35.Round 17.62 to one decimal place. =
  36. 36.The ratio of boys to girls in a class is 3 : 7. There are 27 boys. How many girls are there?
  37. 37.What is 3/7 of 189 km?
  38. 38.Two tanks hold 175 litres and 50 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  39. 39.What is 120% of 395?
  40. 40.Which is closest to 3593 ÷ 39? (a) 900 (b) 180 (c) 45 (d) 90

Answer key

  1. 34
  2. 105
  3. 30
  4. 3897
  5. 12000
  6. 240
  7. 8
  8. 20
  9. 7
  10. 7
  11. 3
  12. 5
  13. 4
  14. 130
  15. 6
  16. 8.3
  17. 16
  18. 50
  19. 15
  20. 2
  21. 56
  22. 40
  23. 7.4
  24. 56
  25. 15
  26. 81
  27. 3
  28. 11.2
  29. 1100
  30. 2
  31. 12
  32. 7
  33. 299
  34. 14
  35. 17.6
  36. 63
  37. 81
  38. 25
  39. 474
  40. 90

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