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Percentage lesson 9: Find the whole from a percent · Set 773 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.Ishaan spent ₹42, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Meera spent ₹59, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Diya spent ₹19, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.15 is 15% of ?
  5. 5.Isha spent ₹24, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.60% of a number is 210. What is the number?
  7. 7.5% of a number is 7. What is the number?
  8. 8.231 is 60% of ?
  9. 9.34 is 25% of ?
  10. 10.15 is 5% of ?
  11. 11.61 is 25% of ?
  12. 12.Aarav spent ₹222, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.25% of a number is 12. What is the number?
  14. 14.75% of a number is 45. What is the number?
  15. 15.Meera spent ₹51, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.136 is 50% of ?
  17. 17.71 is 20% of ?
  18. 18.Meera spent ₹224, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.5 is 25% of ?
  20. 20.12 is 12% of ?
  21. 21.237 is 75% of ?
  22. 22.5% of a number is 20. What is the number?
  23. 23.111 is 30% of ?
  24. 24.15% of a number is 15. What is the number?
  25. 25.20% of a number is 55. What is the number?
  26. 26.66 is 60% of ?
  27. 27.Dev spent ₹5, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.10% of a number is 34. What is the number?
  29. 29.15% of a number is 60. What is the number?
  30. 30.Riya spent ₹35, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.33 is 15% of ?
  32. 32.276 is 80% of ?
  33. 33.Arjun spent ₹32, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.236 is 80% of ?
  35. 35.Dev spent ₹108, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.3 is 10% of ?
  37. 37.5% of a number is 18. What is the number?
  38. 38.40% of a number is 10. What is the number?
  39. 39.30% of a number is 12. What is the number?
  40. 40.33 is 12% of ?

Answer key

  1. 350
  2. 236
  3. 190
  4. 100
  5. 160
  6. 350
  7. 140
  8. 385
  9. 136
  10. 300
  11. 244
  12. 370
  13. 48
  14. 60
  15. 340
  16. 272
  17. 355
  18. 280
  19. 20
  20. 100
  21. 316
  22. 400
  23. 370
  24. 100
  25. 275
  26. 110
  27. 10
  28. 340
  29. 400
  30. 70
  31. 220
  32. 345
  33. 320
  34. 295
  35. 270
  36. 30
  37. 360
  38. 25
  39. 40
  40. 275

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