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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 552 · 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. 1.9 is 12% of ?
  2. 2.201 is 75% of ?
  3. 3.12 is 30% of ?
  4. 4.80% of a number is 140. What is the number?
  5. 5.12 is 5% of ?
  6. 6.Kabir spent ₹29, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.20% of a number is 58. What is the number?
  8. 8.15% of a number is 42. What is the number?
  9. 9.12% of a number is 9. What is the number?
  10. 10.Diya spent ₹60, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.Diya spent ₹51, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.90 is 75% of ?
  13. 13.60% of a number is 132. What is the number?
  14. 14.176 is 80% of ?
  15. 15.Kabir spent ₹104, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.42 is 15% of ?
  17. 17.20% of a number is 69. What is the number?
  18. 18.80% of a number is 100. What is the number?
  19. 19.15% of a number is 60. What is the number?
  20. 20.50% of a number is 187. What is the number?
  21. 21.10% of a number is 29. What is the number?
  22. 22.54 is 20% of ?
  23. 23.Isha spent ₹42, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.Dev spent ₹27, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.20% of a number is 62. What is the number?
  26. 26.Anaya spent ₹135, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.Riya spent ₹2, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.25% of a number is 70. What is the number?
  29. 29.20% of a number is 75. What is the number?
  30. 30.43 is 50% of ?
  31. 31.20% of a number is 15. What is the number?
  32. 32.52 is 25% of ?
  33. 33.Anaya spent ₹60, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.45 is 75% of ?
  35. 35.30% of a number is 42. What is the number?
  36. 36.Arjun spent ₹26, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.Sara spent ₹21, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.65 is 50% of ?
  39. 39.1 is 50% of ?
  40. 40.57 is 20% of ?

Answer key

  1. 75
  2. 268
  3. 40
  4. 175
  5. 240
  6. 290
  7. 290
  8. 280
  9. 75
  10. 200
  11. 170
  12. 120
  13. 220
  14. 220
  15. 130
  16. 280
  17. 345
  18. 125
  19. 400
  20. 374
  21. 290
  22. 270
  23. 210
  24. 135
  25. 310
  26. 270
  27. 20
  28. 280
  29. 375
  30. 86
  31. 75
  32. 208
  33. 400
  34. 60
  35. 140
  36. 65
  37. 175
  38. 130
  39. 2
  40. 285

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