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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 32 · 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. 1.141 is 50% of ?
  2. 2.80 is 40% of ?
  3. 3.5% of a number is 1. What is the number?
  4. 4.21 is 15% of ?
  5. 5.30% of a number is 63. What is the number?
  6. 6.23 is 10% of ?
  7. 7.Sara spent ₹45, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Meera spent ₹6, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.3 is 30% of ?
  10. 10.Diya spent ₹297, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.164 is 80% of ?
  12. 12.25% of a number is 57. What is the number?
  13. 13.Diya spent ₹72, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.80% of a number is 100. What is the number?
  15. 15.Riya spent ₹225, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Meera spent ₹54, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.Aarav spent ₹31, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.10% of a number is 1. What is the number?
  19. 19.50% of a number is 62. What is the number?
  20. 20.33 is 30% of ?
  21. 21.63 is 20% of ?
  22. 22.113 is 50% of ?
  23. 23.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.40% of a number is 136. What is the number?
  25. 25.Diya spent ₹93, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.60% of a number is 120. What is the number?
  27. 27.20 is 25% of ?
  28. 28.264 is 75% of ?
  29. 29.60% of a number is 39. What is the number?
  30. 30.75% of a number is 147. What is the number?
  31. 31.20% of a number is 66. What is the number?
  32. 32.30% of a number is 6. What is the number?
  33. 33.Anaya spent ₹5, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.71 is 20% of ?
  35. 35.80% of a number is 280. What is the number?
  36. 36.5% of a number is 16. What is the number?
  37. 37.Kabir spent ₹31, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.50% of a number is 137. What is the number?
  39. 39.15 is 5% of ?
  40. 40.80% of a number is 308. What is the number?

Answer key

  1. 282
  2. 200
  3. 20
  4. 140
  5. 210
  6. 230
  7. 375
  8. 120
  9. 10
  10. 396
  11. 205
  12. 228
  13. 240
  14. 125
  15. 300
  16. 108
  17. 155
  18. 10
  19. 124
  20. 110
  21. 315
  22. 226
  23. 100
  24. 340
  25. 310
  26. 200
  27. 80
  28. 352
  29. 65
  30. 196
  31. 330
  32. 20
  33. 100
  34. 355
  35. 350
  36. 320
  37. 155
  38. 274
  39. 300
  40. 385

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage