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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 94 · 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.Kabir spent ₹3, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  2. 2.189 is 50% of ?
  3. 3.50% of a number is 145. What is the number?
  4. 4.Riya spent ₹144, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.Riya spent ₹66, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.Aarav spent ₹24, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.52 is 80% of ?
  8. 8.15% of a number is 36. What is the number?
  9. 9.30% of a number is 36. What is the number?
  10. 10.25% of a number is 78. What is the number?
  11. 11.57 is 25% of ?
  12. 12.30% of a number is 114. What is the number?
  13. 13.30% of a number is 93. What is the number?
  14. 14.Arjun spent ₹59, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.12% of a number is 24. What is the number?
  16. 16.252 is 80% of ?
  17. 17.Dev spent ₹19, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  18. 18.Meera spent ₹102, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.Riya spent ₹92, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.Isha spent ₹60, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.Anaya spent ₹142, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.105 is 30% of ?
  23. 23.Sara spent ₹44, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.5% of a number is 9. What is the number?
  25. 25.8 is 40% of ?
  26. 26.21 is 15% of ?
  27. 27.30% of a number is 63. What is the number?
  28. 28.75% of a number is 48. What is the number?
  29. 29.80% of a number is 136. What is the number?
  30. 30.12% of a number is 18. What is the number?
  31. 31.Sara spent ₹273, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.75% of a number is 228. What is the number?
  33. 33.25% of a number is 71. What is the number?
  34. 34.30% of a number is 81. What is the number?
  35. 35.60% of a number is 114. What is the number?
  36. 36.75% of a number is 294. What is the number?
  37. 37.104 is 40% of ?
  38. 38.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.12% of a number is 15. What is the number?
  40. 40.Rohan spent ₹288, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 30
  2. 378
  3. 290
  4. 288
  5. 165
  6. 96
  7. 65
  8. 240
  9. 120
  10. 312
  11. 228
  12. 380
  13. 310
  14. 295
  15. 200
  16. 315
  17. 380
  18. 204
  19. 115
  20. 80
  21. 355
  22. 350
  23. 176
  24. 180
  25. 20
  26. 140
  27. 210
  28. 64
  29. 170
  30. 150
  31. 364
  32. 304
  33. 284
  34. 270
  35. 190
  36. 392
  37. 260
  38. 310
  39. 125
  40. 360

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