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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 780 · 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.If 9 kg of rice costs ₹243, how many kg can you buy for ₹216?
  2. 2.Divide ₹259 between Ananya and Dev in the ratio 4 : 3. How much does Dev get (in ₹)?
  3. 3.6.62 + 9.6 =
  4. 4.A car goes 264 km on 12 litres of petrol. How far can it go on 20 litres (in km)?
  5. 5.A hostel has enough food for 4 students for 23 days. How many days will the same food last for 23 students?
  6. 6.The ratio of boys to girls in a class is 6 : 5. There are 48 boys. How many girls are there?
  7. 7.What is the smallest number you must add to 199 so that it divides exactly by 13?
  8. 8.1/2 × 2/12 =
  9. 9.Divide ₹133 between Aarav and Rahul in the ratio 5 : 2. How much does Rahul get (in ₹)?
  10. 10.Two tanks hold 360 litres and 315 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  11. 11.11/12 − 1/3 =
  12. 12.Find the smallest number bigger than 12 that leaves a remainder of 1 when divided by 12, 3 or 5.
  13. 13.What percent of 25 is 15?
  14. 14.If 9 pens cost ₹351, how much do 2 pens cost (in ₹)?
  15. 15.Farhan scored 52 marks out of 80 in a test. What percentage did Farhan score?
  16. 16.8 × (18 − 6) + 66 ÷ 6 =
  17. 17.What is 1/3 of ₹6?
  18. 18.Three temple bells ring every 9, 24 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  19. 19.How many factors does 73 have?
  20. 20.What is 12% of 300?
  21. 21.Which of these numbers divides exactly by 3? (a) 9386 (b) 4596 (c) 3364 (d) 1490
  22. 22.3 : 14 = 24 : ?
  23. 23.12 : 2 = 84 : ?
  24. 24.40% of a number is 30. What is the number?
  25. 25.5 : 7 = 15 : ?
  26. 26.Two tanks hold 360 litres and 320 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  27. 27.A car goes 144 km on 12 litres of petrol. How far can it go on 37 litres (in km)?
  28. 28.A car goes 160 km on 8 litres of petrol. How far can it go on 7 litres (in km)?
  29. 29.Which is closest to 3594 ÷ 41? (a) 900 (b) 45 (c) 90 (d) 180
  30. 30.Divide ₹84 between Kabir and Tara in the ratio 1 : 2. How much does Kabir get (in ₹)?
  31. 31.8/10 + 5/11 =
  32. 32.How many factors does 44 have?
  33. 33.29 + 7 × 3 − 5 =
  34. 34.Find the HCF of 25 and 15.
  35. 35.3/8 × 1/4 =
  36. 36.5/7 − 2/6 =
  37. 37.7.14 + 9.1 =
  38. 38.1/2 − 1/3 =
  39. 39.Divide ₹85 between Dev and Tara in the ratio 4 : 1. How much does Tara get (in ₹)?
  40. 40.Find the LCM of 7, 12 and 14.

Answer key

  1. 8
  2. 111
  3. 16.22
  4. 440
  5. 4
  6. 40
  7. 9
  8. 1/12
  9. 38
  10. 45
  11. 7/12
  12. 61
  13. 60
  14. 78
  15. 65
  16. 107
  17. 2
  18. 72
  19. 2
  20. 36
  21. 4596
  22. 112
  23. 14
  24. 75
  25. 21
  26. 40
  27. 444
  28. 140
  29. 90
  30. 28
  31. 69/55
  32. 6
  33. 45
  34. 5
  35. 3/32
  36. 8/21
  37. 16.24
  38. 1/6
  39. 17
  40. 84

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