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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 526 · 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.A hostel has enough food for 2 students for 12 days. How many days will the same food last for 12 students?
  2. 2.Find the third proportional to 2 and 6 (that is, 2 : 6 = 6 : ?).
  3. 3.Which is closest to 1194 ÷ 41? (a) 15 (b) 30 (c) 60 (d) 300
  4. 4.How many factors does 85 have?
  5. 5.A car goes 42 km on 2 litres of petrol. How far can it go on 19 litres (in km)?
  6. 6.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 15, 10 or 8.
  7. 7.How many factors does 31 have?
  8. 8.What is 15% of 520?
  9. 9.Find the HCF of 135 and 75.
  10. 10.What is the smallest number you must add to 750 so that it divides exactly by 8?
  11. 11.Round 1567 to the nearest thousand.
  12. 12.53.4 ÷ 6 =
  13. 13.The HCF of two numbers is 4 and their LCM is 288. One of the numbers is 36. What is the other number?
  14. 14.Which is closest to 391 ÷ 19? (a) 10 (b) 20 (c) 40 (d) 200
  15. 15.If 3 notebooks cost ₹54, how much do 10 notebooks cost (in ₹)?
  16. 16.(14 + 7) × 7 − 23 =
  17. 17.94 − 56 ÷ 8 × 9 =
  18. 18.Divide ₹689 between Diya and Rahul in the ratio 6 : 7. How much does Diya get (in ₹)?
  19. 19.(6 + 5) × 2 − 1 =
  20. 20.6/10 × 1/4 =
  21. 21.Which is closest to 1393 ÷ 21? (a) 700 (b) 140 (c) 35 (d) 70
  22. 22.Round 82.89 to one decimal place. =
  23. 23.What is the smallest number you must take away from 448 so that it divides exactly by 13?
  24. 24.Divide ₹80 between Karan and Vivaan in the ratio 4 : 1. How much does Karan get (in ₹)?
  25. 25.Three temple bells ring every 6, 20 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  26. 26.The ratio of boys to girls in a class is 4 : 3. There are 36 boys. How many girls are there?
  27. 27.How many factors does 53 have?
  28. 28.Divide ₹637 between Kavya and Ishaan in the ratio 6 : 7. How much does Kavya get (in ₹)?
  29. 29.Find the LCM of 45 and 25.
  30. 30.Find the LCM of 16 and 6.
  31. 31.Diya takes 48 seconds and Arjun takes 90 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?
  32. 32.What is the smallest number you must add to 170 so that it divides exactly by 13?
  33. 33.Find the LCM of 3 and 2.
  34. 34.10 : 8 = 20 : ?
  35. 35.A car goes 28 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
  36. 36.What is the smallest number you must add to 890 so that it divides exactly by 3?
  37. 37.Find the HCF of 33 and 77.
  38. 38.If 4 bottles of juice cost ₹48, how much do 2 bottles of juice cost (in ₹)?
  39. 39.3.88 + 6.2 =
  40. 40.Divide ₹119 between Meera and Ishaan in the ratio 2 : 5. How much does Meera get (in ₹)?

Answer key

  1. 2
  2. 18
  3. 30
  4. 4
  5. 399
  6. 124
  7. 2
  8. 78
  9. 15
  10. 2
  11. 2000
  12. 8.9
  13. 32
  14. 20
  15. 180
  16. 124
  17. 31
  18. 318
  19. 21
  20. 3/20
  21. 70
  22. 82.9
  23. 6
  24. 64
  25. 120
  26. 27
  27. 2
  28. 294
  29. 225
  30. 48
  31. 720
  32. 12
  33. 6
  34. 16
  35. 140
  36. 1
  37. 11
  38. 24
  39. 10.08
  40. 34

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