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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 553 · 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. 1.12 is 5% of ?
  2. 2.Meera spent ₹61, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Sara spent ₹50, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  4. 4.30% of a number is 78. What is the number?
  5. 5.64 is 25% of ?
  6. 6.Sara spent ₹6, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.50% of a number is 83. What is the number?
  8. 8.50% of a number is 79. What is the number?
  9. 9.15 is 15% of ?
  10. 10.Arjun spent ₹164, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  11. 11.12% of a number is 27. What is the number?
  12. 12.Ishaan spent ₹43, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.25% of a number is 87. What is the number?
  14. 14.30% of a number is 108. What is the number?
  15. 15.92 is 40% of ?
  16. 16.2 is 40% of ?
  17. 17.2 is 5% of ?
  18. 18.143 is 50% of ?
  19. 19.87 is 60% of ?
  20. 20.Riya spent ₹46, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.40% of a number is 118. What is the number?
  22. 22.40% of a number is 10. What is the number?
  23. 23.80% of a number is 112. What is the number?
  24. 24.10% of a number is 36. What is the number?
  25. 25.Kabir spent ₹36, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.9 is 12% of ?
  27. 27.Rohan spent ₹85, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.63 is 30% of ?
  29. 29.18 is 25% of ?
  30. 30.14 is 5% of ?
  31. 31.Meera spent ₹1, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.75% of a number is 21. What is the number?
  33. 33.20% of a number is 44. What is the number?
  34. 34.35 is 10% of ?
  35. 35.34 is 25% of ?
  36. 36.14 is 25% of ?
  37. 37.20% of a number is 20. What is the number?
  38. 38.80% of a number is 84. What is the number?
  39. 39.Anaya spent ₹108, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.25% of a number is 62. What is the number?

Answer key

  1. 240
  2. 244
  3. 125
  4. 260
  5. 256
  6. 50
  7. 166
  8. 158
  9. 100
  10. 205
  11. 225
  12. 172
  13. 348
  14. 360
  15. 230
  16. 5
  17. 40
  18. 286
  19. 145
  20. 115
  21. 295
  22. 25
  23. 140
  24. 360
  25. 240
  26. 75
  27. 170
  28. 210
  29. 72
  30. 280
  31. 20
  32. 28
  33. 220
  34. 350
  35. 136
  36. 56
  37. 100
  38. 105
  39. 360
  40. 248

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