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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 826 · 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. 1.50% of a number is 2. What is the number?
  2. 2.Isha spent ₹59, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  3. 3.Arjun spent ₹65, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.Sara spent ₹312, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.50 is 20% of ?
  6. 6.30% of a number is 15. What is the number?
  7. 7.Diya spent ₹126, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.51 is 15% of ?
  9. 9.60% of a number is 228. What is the number?
  10. 10.25% of a number is 64. What is the number?
  11. 11.3 is 12% of ?
  12. 12.Sara spent ₹104, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.Diya spent ₹21, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.312 is 80% of ?
  15. 15.20 is 5% of ?
  16. 16.Aarav spent ₹10, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.64 is 50% of ?
  18. 18.Kabir spent ₹45, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.15 is 12% of ?
  20. 20.5% of a number is 18. What is the number?
  21. 21.111 is 50% of ?
  22. 22.117 is 30% of ?
  23. 23.33 is 30% of ?
  24. 24.Riya spent ₹35, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.12% of a number is 39. What is the number?
  26. 26.80% of a number is 316. What is the number?
  27. 27.210 is 60% of ?
  28. 28.42 is 20% of ?
  29. 29.2 is 50% of ?
  30. 30.30% of a number is 108. What is the number?
  31. 31.Riya spent ₹112, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Ishaan spent ₹52, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.80% of a number is 144. What is the number?
  34. 34.Aarav spent ₹6, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.25% of a number is 1. What is the number?
  36. 36.12% of a number is 9. What is the number?
  37. 37.145 is 50% of ?
  38. 38.Kabir spent ₹248, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.80% of a number is 304. What is the number?
  40. 40.15 is 15% of ?

Answer key

  1. 4
  2. 118
  3. 260
  4. 390
  5. 250
  6. 50
  7. 252
  8. 340
  9. 380
  10. 256
  11. 25
  12. 130
  13. 140
  14. 390
  15. 400
  16. 25
  17. 128
  18. 375
  19. 125
  20. 360
  21. 222
  22. 390
  23. 110
  24. 350
  25. 325
  26. 395
  27. 350
  28. 210
  29. 4
  30. 360
  31. 224
  32. 260
  33. 180
  34. 120
  35. 4
  36. 75
  37. 290
  38. 310
  39. 380
  40. 100

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