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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 553 · 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 car goes 63 km on 3 litres of petrol. How far can it go on 15 litres (in km)?
  2. 2.2/3 × 9/12 =
  3. 3.What is 6/7 of ₹14?
  4. 4.Which of these numbers divides exactly by 8? (a) 6134 (b) 5382 (c) 2365 (d) 2616
  5. 5.16 ÷ 4 × 4 + 25 =
  6. 6.Find the LCM of 4 and 9.
  7. 7.5% of a number is 26. What is the number?
  8. 8.Dev scored 16 marks out of 40 in a test. What percentage did Dev score?
  9. 9.(18 + 2) × 2 − 12 =
  10. 10.Find the LCM of 8 and 20.
  11. 11.The HCF of two numbers is 4 and their LCM is 24. One of the numbers is 8. What is the other number?
  12. 12.Find the LCM of 18 and 4.
  13. 13.Three temple bells ring every 9, 6 and 12 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  14. 14.Diya takes 75 seconds and Nisha takes 40 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?
  15. 15.25 + 3 × 11 − 6 =
  16. 16.4/6 + 4/11 =
  17. 17.Three temple bells ring every 18, 9 and 15 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  18. 18.4 × (23 − 11) + 88 ÷ 8 =
  19. 19.What is the smallest number you must take away from 435 so that it divides exactly by 7?
  20. 20.Saanvi takes 30 seconds and Nisha takes 50 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?
  21. 21.2/11 × 3/9 =
  22. 22.5/8 − 4/10 =
  23. 23.3/5 × 2/4 =
  24. 24.Isha takes 30 seconds and Aarav takes 80 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?
  25. 25.8 : 11 = 56 : ?
  26. 26.What percent of 500 is 300?
  27. 27.A car goes 140 km on 10 litres of petrol. How far can it go on 39 litres (in km)?
  28. 28.Find the smallest number bigger than 15 that leaves a remainder of 2 when divided by 4, 15 or 10.
  29. 29.1/3 of 15 + 4 × 8 =
  30. 30.Divide ₹133 between Diya and Sneha in the ratio 2 : 5. How much does Diya get (in ₹)?
  31. 31.Find the HCF of 91 and 26.
  32. 32.Which of these numbers divides exactly by 9? (a) 2001 (b) 3949 (c) 5292 (d) 9230
  33. 33.Write 23/25 as a percent.
  34. 34.Find the smallest number bigger than 9 that leaves a remainder of 1 when divided by 9, 5 or 3.
  35. 35.If 4 notebooks cost ₹12, how much do 3 notebooks cost (in ₹)?
  36. 36.A hostel has enough food for 5 students for 26 days. How many days will the same food last for 10 students?
  37. 37.(2 + 18) × 3 − 13 =
  38. 38.Divide ₹301 between Kavya and Rahul in the ratio 1 : 6. How much does Kavya get (in ₹)?
  39. 39.If 3 mangoes cost ₹84, how much do 16 mangoes cost (in ₹)?
  40. 40.The ratio of boys to girls in a class is 1 : 8. There are 10 boys. How many girls are there?

Answer key

  1. 315
  2. 1/2
  3. 12
  4. 2616
  5. 41
  6. 36
  7. 520
  8. 40
  9. 28
  10. 40
  11. 12
  12. 36
  13. 36
  14. 600
  15. 52
  16. 34/33
  17. 90
  18. 59
  19. 1
  20. 150
  21. 2/33
  22. 9/40
  23. 3/10
  24. 240
  25. 77
  26. 60
  27. 546
  28. 62
  29. 37
  30. 38
  31. 13
  32. 5292
  33. 92
  34. 46
  35. 9
  36. 13
  37. 47
  38. 43
  39. 448
  40. 80

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