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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 702 · 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. 1.24 is 30% of ?
  2. 2.Kabir spent ₹60, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Ishaan spent ₹15, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.Isha spent ₹37, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.5% of a number is 9. What is the number?
  6. 6.Diya spent ₹5, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Diya spent ₹3, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.18 is 25% of ?
  9. 9.2 is 20% of ?
  10. 10.136 is 40% of ?
  11. 11.20% of a number is 31. What is the number?
  12. 12.Riya spent ₹24, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.Ishaan spent ₹68, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.16 is 25% of ?
  15. 15.126 is 75% of ?
  16. 16.10% of a number is 31. What is the number?
  17. 17.Dev spent ₹84, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  18. 18.5% of a number is 5. What is the number?
  19. 19.12% of a number is 15. What is the number?
  20. 20.Kabir spent ₹48, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.10% of a number is 35. What is the number?
  22. 22.68 is 80% of ?
  23. 23.25% of a number is 21. What is the number?
  24. 24.80 is 20% of ?
  25. 25.75% of a number is 15. What is the number?
  26. 26.80% of a number is 80. What is the number?
  27. 27.39 is 15% of ?
  28. 28.30% of a number is 21. What is the number?
  29. 29.Anaya spent ₹168, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.26 is 20% of ?
  31. 31.25% of a number is 2. What is the number?
  32. 32.15% of a number is 60. What is the number?
  33. 33.Riya spent ₹84, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.20% of a number is 34. What is the number?
  35. 35.5% of a number is 18. What is the number?
  36. 36.40% of a number is 98. What is the number?
  37. 37.10% of a number is 32. What is the number?
  38. 38.Aarav spent ₹60, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.Sara spent ₹249, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.Riya spent ₹27, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 80
  2. 200
  3. 300
  4. 148
  5. 180
  6. 50
  7. 10
  8. 72
  9. 10
  10. 340
  11. 155
  12. 200
  13. 340
  14. 64
  15. 168
  16. 310
  17. 140
  18. 100
  19. 125
  20. 320
  21. 350
  22. 85
  23. 84
  24. 400
  25. 20
  26. 100
  27. 260
  28. 70
  29. 224
  30. 130
  31. 8
  32. 400
  33. 168
  34. 170
  35. 360
  36. 245
  37. 320
  38. 400
  39. 332
  40. 108

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