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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 729 · 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. 1.34 is 10% of ?
  2. 2.41 is 25% of ?
  3. 3.50% of a number is 37. What is the number?
  4. 4.Meera spent ₹45, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.75% of a number is 213. What is the number?
  6. 6.27 is 12% of ?
  7. 7.90 is 25% of ?
  8. 8.Ishaan spent ₹158, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.Diya spent ₹17, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.30% of a number is 57. What is the number?
  11. 11.20% of a number is 33. What is the number?
  12. 12.Riya spent ₹63, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.55 is 20% of ?
  14. 14.50% of a number is 184. What is the number?
  15. 15.15% of a number is 21. What is the number?
  16. 16.Aarav spent ₹18, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.156 is 75% of ?
  18. 18.30% of a number is 15. What is the number?
  19. 19.Anaya spent ₹24, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.Riya spent ₹86, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.80% of a number is 68. What is the number?
  22. 22.12 is 5% of ?
  23. 23.Ishaan spent ₹96, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.12% of a number is 18. What is the number?
  25. 25.5% of a number is 9. What is the number?
  26. 26.Diya spent ₹97, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.60 is 15% of ?
  28. 28.2 is 10% of ?
  29. 29.20% of a number is 47. What is the number?
  30. 30.25% of a number is 77. What is the number?
  31. 31.12% of a number is 39. What is the number?
  32. 32.5% of a number is 2. What is the number?
  33. 33.19 is 50% of ?
  34. 34.36 is 50% of ?
  35. 35.80% of a number is 44. What is the number?
  36. 36.30% of a number is 42. What is the number?
  37. 37.Diya spent ₹44, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.92 is 40% of ?
  39. 39.Sara spent ₹54, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.20% of a number is 2. What is the number?

Answer key

  1. 340
  2. 164
  3. 74
  4. 300
  5. 284
  6. 225
  7. 360
  8. 395
  9. 170
  10. 190
  11. 165
  12. 105
  13. 275
  14. 368
  15. 140
  16. 72
  17. 208
  18. 50
  19. 40
  20. 215
  21. 85
  22. 240
  23. 120
  24. 150
  25. 180
  26. 388
  27. 400
  28. 20
  29. 235
  30. 308
  31. 325
  32. 40
  33. 38
  34. 72
  35. 55
  36. 140
  37. 220
  38. 230
  39. 180
  40. 10

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