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Number Skills Practice Worksheet

Quantitative aptitude lesson 10: Practice: number skills · Set 927 · 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 64.69 to one decimal place. =
  2. 2.(4 + 13) × 9 − 26 =
  3. 3.8.69 + 8.2 =
  4. 4.What is 12% of 300?
  5. 5.Find the LCM of 4 and 6.
  6. 6.Find the smallest number bigger than 10 that leaves a remainder of 2 when divided by 5, 10 or 3.
  7. 7.Find the LCM of 30 and 24.
  8. 8.9 ÷ 3 × 5 + 22 =
  9. 9.Priya takes 30 seconds and Sneha 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?
  10. 10.3/7 + 4/5 =
  11. 11.80% of a number is 308. What is the number?
  12. 12.Find the HCF of 36 and 45.
  13. 13.10 : 4 = 30 : ?
  14. 14.2 : 7 = 10 : ?
  15. 15.Which is closest to 1002 ÷ 21? (a) 100 (b) 500 (c) 50 (d) 25
  16. 16.Saanvi takes 80 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?
  17. 17.5/7 × 1/2 =
  18. 18.Farhan takes 30 seconds and Nisha takes 72 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?
  19. 19.What is the smallest number you must add to 535 so that it divides exactly by 13?
  20. 20.Find the LCM of 2, 7 and 5.
  21. 21.3 : 6 = 12 : ?
  22. 22.Find the HCF of 22 and 99.
  23. 23.5/9 × 2/8 =
  24. 24.Which of these numbers divides exactly by 6? (a) 2260 (b) 9284 (c) 5114 (d) 5202
  25. 25.The HCF of two numbers is 3 and their LCM is 42. One of the numbers is 21. What is the other number?
  26. 26.Isha takes 60 seconds and Rahul 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?
  27. 27.Divide ₹480 between Sneha and Rahul in the ratio 9 : 7. How much does Sneha get (in ₹)?
  28. 28.If 3 kg of rice costs ₹66, how many kg can you buy for ₹44?
  29. 29.Three temple bells ring every 10, 6 and 24 minutes. They ring together at 9:00 am. After how many minutes will they next ring together?
  30. 30.The ratio of boys to girls in a class is 7 : 8. There are 35 boys. How many girls are there?
  31. 31.A car goes 144 km on 6 litres of petrol. How far can it go on 17 litres (in km)?
  32. 32.Saanvi scored 10 marks out of 40 in a test. What percentage did Saanvi score?
  33. 33.2/3 of 24 + 6 × 2 =
  34. 34.A hall floor is 210 cm long and 120 cm wide. It is covered with the largest square tiles that fit exactly. How many tiles are needed?
  35. 35.How many factors does 24 have?
  36. 36.Zoya takes 40 seconds and Aarav 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?
  37. 37.Find the LCM of 8 and 36.
  38. 38.What is 3/10 of ₹110?
  39. 39.6.5 × 9 =
  40. 40.Find the LCM of 6 and 16.

Answer key

  1. 64.7
  2. 127
  3. 16.89
  4. 36
  5. 12
  6. 32
  7. 120
  8. 37
  9. 180
  10. 43/35
  11. 385
  12. 9
  13. 12
  14. 35
  15. 50
  16. 400
  17. 5/14
  18. 360
  19. 11
  20. 70
  21. 24
  22. 11
  23. 5/36
  24. 5202
  25. 6
  26. 240
  27. 270
  28. 2
  29. 120
  30. 40
  31. 408
  32. 25
  33. 28
  34. 28
  35. 8
  36. 360
  37. 72
  38. 33
  39. 58.5
  40. 48

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