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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 614 · 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.Ishaan spent ₹6, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Kabir spent ₹78, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.20% of a number is 80. What is the number?
  4. 4.42 is 15% of ?
  5. 5.54 is 15% of ?
  6. 6.10% of a number is 31. What is the number?
  7. 7.Anaya spent ₹128, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.5% of a number is 6. What is the number?
  9. 9.139 is 50% of ?
  10. 10.Kabir spent ₹20, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.Kabir spent ₹27, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.9 is 60% of ?
  13. 13.2 is 5% of ?
  14. 14.Ishaan spent ₹48, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.20% of a number is 70. What is the number?
  16. 16.17 is 5% of ?
  17. 17.Kabir spent ₹9, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.72 is 80% of ?
  19. 19.90 is 40% of ?
  20. 20.15 is 15% of ?
  21. 21.Diya spent ₹24, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.30% of a number is 72. What is the number?
  23. 23.21 is 20% of ?
  24. 24.47 is 50% of ?
  25. 25.80% of a number is 112. What is the number?
  26. 26.80% of a number is 200. What is the number?
  27. 27.30% of a number is 60. What is the number?
  28. 28.29 is 10% of ?
  29. 29.12% of a number is 21. What is the number?
  30. 30.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.84 is 50% of ?
  32. 32.24 is 25% of ?
  33. 33.96 is 50% of ?
  34. 34.1 is 25% of ?
  35. 35.Anaya spent ₹164, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.2 is 40% of ?
  37. 37.Kabir spent ₹67, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.20% of a number is 55. What is the number?
  39. 39.80% of a number is 208. What is the number?
  40. 40.60% of a number is 129. What is the number?

Answer key

  1. 50
  2. 260
  3. 400
  4. 280
  5. 360
  6. 310
  7. 256
  8. 120
  9. 278
  10. 200
  11. 180
  12. 15
  13. 40
  14. 160
  15. 350
  16. 340
  17. 45
  18. 90
  19. 225
  20. 100
  21. 240
  22. 240
  23. 105
  24. 94
  25. 140
  26. 250
  27. 200
  28. 290
  29. 175
  30. 310
  31. 168
  32. 96
  33. 192
  34. 4
  35. 205
  36. 5
  37. 335
  38. 275
  39. 260
  40. 215

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