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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 436 · 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. 1.48 is 50% of ?
  2. 2.80% of a number is 208. What is the number?
  3. 3.50% of a number is 12. What is the number?
  4. 4.60% of a number is 36. What is the number?
  5. 5.10% of a number is 31. What is the number?
  6. 6.1 is 25% of ?
  7. 7.15% of a number is 33. What is the number?
  8. 8.80% of a number is 320. What is the number?
  9. 9.60% of a number is 114. What is the number?
  10. 10.7 is 50% of ?
  11. 11.177 is 50% of ?
  12. 12.Riya spent ₹9, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.Sara spent ₹160, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.9 is 12% of ?
  15. 15.Isha spent ₹33, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.Isha spent ₹316, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  17. 17.25% of a number is 57. What is the number?
  18. 18.9 is 20% of ?
  19. 19.24 is 10% of ?
  20. 20.80% of a number is 96. What is the number?
  21. 21.15% of a number is 60. What is the number?
  22. 22.75% of a number is 264. What is the number?
  23. 23.12% of a number is 39. What is the number?
  24. 24.11 is 10% of ?
  25. 25.50% of a number is 8. What is the number?
  26. 26.Rohan spent ₹6, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  27. 27.99 is 30% of ?
  28. 28.5% of a number is 7. What is the number?
  29. 29.Diya spent ₹2, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  30. 30.Sara spent ₹304, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.5% of a number is 4. What is the number?
  32. 32.201 is 75% of ?
  33. 33.48 is 80% of ?
  34. 34.160 is 80% of ?
  35. 35.132 is 40% of ?
  36. 36.75% of a number is 126. What is the number?
  37. 37.11 is 25% of ?
  38. 38.10% of a number is 7. What is the number?
  39. 39.Sara spent ₹198, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.Rohan spent ₹135, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 96
  2. 260
  3. 24
  4. 60
  5. 310
  6. 4
  7. 220
  8. 400
  9. 190
  10. 14
  11. 354
  12. 180
  13. 400
  14. 75
  15. 275
  16. 395
  17. 228
  18. 45
  19. 240
  20. 120
  21. 400
  22. 352
  23. 325
  24. 110
  25. 16
  26. 120
  27. 330
  28. 140
  29. 40
  30. 380
  31. 80
  32. 268
  33. 60
  34. 200
  35. 330
  36. 168
  37. 44
  38. 70
  39. 396
  40. 225

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