← Practice: number skills lesson New set →

Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 861 · 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.Dev takes 40 seconds and Aarav takes 36 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?
  2. 2.Kavya takes 90 seconds and Meera 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?
  3. 3.Write 1/2 as a percent.
  4. 4.Find the LCM of 12, 2 and 11.
  5. 5.12 ÷ 6 × 3 + 8 =
  6. 6.If 3 kites cost ₹156, how much do 15 kites cost (in ₹)?
  7. 7.83 − 56 ÷ 7 × 7 =
  8. 8.Find the LCM of 7, 12 and 2.
  9. 9.1/2 + 1/5 =
  10. 10.Which is closest to 198 × 92? (Round each number first.) (a) 36000 (b) 180000 (c) 1800 (d) 18000
  11. 11.What is the smallest number you must add to 593 so that it divides exactly by 12?
  12. 12.Three temple bells ring every 30, 24 and 10 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  13. 13.9 : 12 = 18 : ?
  14. 14.Which is closest to 595 + 805 + 896? (a) 2200 (b) 2400 (c) 2500 (d) 2300
  15. 15.32 − 9 ÷ 3 × 6 =
  16. 16.Sneha scored 6 marks out of 20 in a test. What percentage did Sneha score?
  17. 17.Vivaan takes 40 seconds and Ananya 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?
  18. 18.4 painters can paint a school in 16 days. How many days would 2 painters take, working at the same speed?
  19. 19.28 ÷ 7 × 7 + 4 =
  20. 20.20% of a number is 6. What is the number?
  21. 21.Three temple bells ring every 6, 20 and 30 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  22. 22.What percent of 200 is 148?
  23. 23.Which of these numbers divides exactly by 8? (a) 8716 (b) 1399 (c) 2312 (d) 7116
  24. 24.6 ÷ 2 × 5 + 28 =
  25. 25.Which is closest to 902 × 51? (Round each number first.) (a) 4500 (b) 450000 (c) 45000 (d) 90000
  26. 26.If 9 kg of rice costs ₹324, how many kg can you buy for ₹72?
  27. 27.What is the smallest number you must add to 457 so that it divides exactly by 4?
  28. 28.60% of a number is 246. What is the number?
  29. 29.Find the LCM of 6, 13 and 3.
  30. 30.30.4 ÷ 4 =
  31. 31.What is the smallest number you must add to 977 so that it divides exactly by 12?
  32. 32.Find the LCM of 27 and 24.
  33. 33.Which is closest to 304 × 48? (Round each number first.) (a) 15000 (b) 30000 (c) 1500 (d) 150000
  34. 34.Find the HCF of 32 and 20.
  35. 35.Two tanks hold 45 litres and 120 litres of milk. What is the biggest can (in litres) that can empty both tanks exactly, with no milk left over?
  36. 36.What is 15% of 420?
  37. 37.Find the third proportional to 6 and 30 (that is, 6 : 30 = 30 : ?).
  38. 38.Write 2/5 as a percent.
  39. 39.Which is closest to 98 + 498 + 196? (a) 1000 (b) 700 (c) 900 (d) 800
  40. 40.If 5 pencil boxes cost ₹230, how much do 15 pencil boxes cost (in ₹)?

Answer key

  1. 360
  2. 360
  3. 50
  4. 132
  5. 14
  6. 780
  7. 27
  8. 84
  9. 7/10
  10. 18000
  11. 7
  12. 120
  13. 24
  14. 2300
  15. 14
  16. 30
  17. 200
  18. 32
  19. 32
  20. 30
  21. 60
  22. 74
  23. 2312
  24. 43
  25. 45000
  26. 2
  27. 3
  28. 410
  29. 78
  30. 7.6
  31. 7
  32. 216
  33. 15000
  34. 4
  35. 15
  36. 63
  37. 150
  38. 40
  39. 800
  40. 690

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude