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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 441 · 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.Round 75852 to the nearest ten.
  2. 2.1/2 × 2/3 =
  3. 3.Round 15142 to the nearest thousand.
  4. 4.Divide ₹104 between Karan and Tara in the ratio 1 : 7. How much does Karan get (in ₹)?
  5. 5.What is 1/8 of 152 litres?
  6. 6.Nisha scored 9 marks out of 20 in a test. What percentage did Nisha score?
  7. 7.A hostel has enough food for 3 students for 27 days. How many days will the same food last for 9 students?
  8. 8.Nisha takes 90 seconds and Zoya takes 54 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?
  9. 9.If 8 kg of rice costs ₹360, how many kg can you buy for ₹675?
  10. 10.32 ÷ 4 × 3 + 29 =
  11. 11.A hall floor is 240 cm long and 200 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  12. 12.Three temple bells ring every 8, 9 and 18 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.Divide ₹273 between Rahul and Priya in the ratio 1 : 6. How much does Priya get (in ₹)?
  14. 14.A car goes 95 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
  15. 15.Find the LCM of 8, 2 and 7.
  16. 16.What is the smallest number you must add to 842 so that it divides exactly by 4?
  17. 17.1/3 + 1/10 =
  18. 18.4.5 × 3 =
  19. 19.Three temple bells ring every 15, 10 and 4 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  20. 20.21 + 12 × 10 − 3 =
  21. 21.If 2 notebooks cost ₹100, how much do 17 notebooks cost (in ₹)?
  22. 22.What is 30% of 120?
  23. 23.Write 1/4 as a percent.
  24. 24.44 ÷ 8 =
  25. 25.Arjun takes 30 seconds and Zoya 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?
  26. 26.Which of these numbers divides exactly by 9? (a) 3893 (b) 5297 (c) 7013 (d) 9459
  27. 27.Divide ₹72 between Aarav and Karan in the ratio 7 : 1. How much does Karan get (in ₹)?
  28. 28.How many factors does 96 have?
  29. 29.A hall floor is 150 cm long and 100 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  30. 30.37 − 45 ÷ 9 × 7 =
  31. 31.What is the smallest number you must add to 397 so that it divides exactly by 3?
  32. 32.The ratio of boys to girls in a class is 9 : 1. There are 36 boys. How many girls are there?
  33. 33.Find the smallest number bigger than 15 that leaves a remainder of 4 when divided by 15, 9 or 12.
  34. 34.50% of a number is 171. What is the number?
  35. 35.The ratio of boys to girls in a class is 1 : 9. There are 4 boys. How many girls are there?
  36. 36.Which is closest to 807 ÷ 39? (a) 200 (b) 20 (c) 40 (d) 10
  37. 37.The HCF of two numbers is 8 and their LCM is 168. One of the numbers is 56. What is the other number?
  38. 38.2/3 + 1/8 =
  39. 39.46 + 9 × 4 − 28 =
  40. 40.Round 13152 to the nearest thousand.

Answer key

  1. 75850
  2. 1/3
  3. 15000
  4. 13
  5. 19
  6. 45
  7. 9
  8. 270
  9. 15
  10. 53
  11. 30
  12. 72
  13. 234
  14. 494
  15. 56
  16. 2
  17. 13/30
  18. 13.5
  19. 60
  20. 138
  21. 850
  22. 36
  23. 25
  24. 5.5
  25. 150
  26. 9459
  27. 9
  28. 12
  29. 6
  30. 2
  31. 2
  32. 4
  33. 184
  34. 342
  35. 36
  36. 20
  37. 24
  38. 19/24
  39. 54
  40. 13000

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