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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 427 · 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. 1.3/6 × 2/9 =
  2. 2.10 : 6 = 40 : ?
  3. 3.Which of these numbers divides exactly by 9? (a) 2117 (b) 1382 (c) 6660 (d) 5226
  4. 4.75% of a number is 159. What is the number?
  5. 5.What is 20% of 220?
  6. 6.23.1 ÷ 3 =
  7. 7.A car goes 34 km on 2 litres of petrol. How far can it go on 33 litres (in km)?
  8. 8.4/5 + 2/12 =
  9. 9.Round 94.42 to one decimal place. =
  10. 10.If 9 pens cost ₹324, how much do 8 pens cost (in ₹)?
  11. 11.The HCF of two numbers is 9 and their LCM is 216. One of the numbers is 72. What is the other number?
  12. 12.Which is closest to 603 × 19? (Round each number first.) (a) 120000 (b) 12000 (c) 24000 (d) 1200
  13. 13.Karan takes 75 seconds and Saanvi 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?
  14. 14.(4 + 6) × 6 − 28 =
  15. 15.If 9 pens cost ₹369, how much do 20 pens cost (in ₹)?
  16. 16.Divide ₹70 between Farhan and Ishaan in the ratio 7 : 3. How much does Farhan get (in ₹)?
  17. 17.How many factors does 23 have?
  18. 18.Divide ₹580 between Dev and Kavya in the ratio 7 : 3. How much does Kavya get (in ₹)?
  19. 19.A hostel has enough food for 2 students for 6 days. How many days will the same food last for 6 students?
  20. 20.If 3 kg of rice costs ₹99, how many kg can you buy for ₹297?
  21. 21.8 : 2 = 24 : ?
  22. 22.Which is closest to 398 ÷ 19? (a) 10 (b) 200 (c) 20 (d) 40
  23. 23.Three temple bells ring every 18, 24 and 8 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  24. 24.A car goes 171 km on 9 litres of petrol. How far can it go on 33 litres (in km)?
  25. 25.Round 45761 to the nearest hundred.
  26. 26.The ratio of boys to girls in a class is 9 : 8. There are 54 boys. How many girls are there?
  27. 27.A car goes 264 km on 11 litres of petrol. How far can it go on 21 litres (in km)?
  28. 28.8.18 + 6.1 =
  29. 29.Which is closest to 902 ÷ 31? (a) 30 (b) 15 (c) 60 (d) 300
  30. 30.Write 1/5 as a percent.
  31. 31.What is 1/4 of 52 students?
  32. 32.150% of a number is 120. What is the number?
  33. 33.The HCF of two numbers is 4 and their LCM is 48. One of the numbers is 12. What is the other number?
  34. 34.4/5 of 40 + 8 × 7 =
  35. 35.Write 2/5 as a percent.
  36. 36.5 painters can paint a school in 20 days. How many days would 2 painters take, working at the same speed?
  37. 37.What is the smallest number you must add to 457 so that it divides exactly by 3?
  38. 38.A hall floor is 210 cm long and 180 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  39. 39.9 : 10 = 27 : ?
  40. 40.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 9, 10 or 15.

Answer key

  1. 1/9
  2. 24
  3. 6660
  4. 212
  5. 44
  6. 7.7
  7. 561
  8. 29/30
  9. 94.4
  10. 288
  11. 27
  12. 12000
  13. 150
  14. 32
  15. 820
  16. 49
  17. 2
  18. 174
  19. 2
  20. 9
  21. 6
  22. 20
  23. 72
  24. 627
  25. 45800
  26. 48
  27. 504
  28. 14.28
  29. 30
  30. 20
  31. 13
  32. 80
  33. 16
  34. 88
  35. 40
  36. 50
  37. 2
  38. 42
  39. 30
  40. 92

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