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Percentage lesson 9: Find the whole from a percent · Set 383 · 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. 1.22 is 25% of ?
  2. 2.Rohan spent ₹37, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.25% of a number is 94. What is the number?
  4. 4.Ishaan spent ₹36, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.Sara spent ₹21, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.60% of a number is 36. What is the number?
  7. 7.Meera spent ₹141, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.12% of a number is 42. What is the number?
  9. 9.46 is 40% of ?
  10. 10.10% of a number is 30. What is the number?
  11. 11.12% of a number is 24. What is the number?
  12. 12.Arjun spent ₹161, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.46 is 25% of ?
  14. 14.177 is 60% of ?
  15. 15.10% of a number is 31. What is the number?
  16. 16.11 is 10% of ?
  17. 17.40% of a number is 158. What is the number?
  18. 18.30 is 25% of ?
  19. 19.75% of a number is 162. What is the number?
  20. 20.20% of a number is 39. What is the number?
  21. 21.25% of a number is 67. What is the number?
  22. 22.90 is 40% of ?
  23. 23.77 is 20% of ?
  24. 24.Riya spent ₹40, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Kabir spent ₹252, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.Riya spent ₹18, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.60 is 20% of ?
  28. 28.10% of a number is 38. What is the number?
  29. 29.Aarav spent ₹35, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.184 is 80% of ?
  31. 31.80% of a number is 148. What is the number?
  32. 32.Meera spent ₹54, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.80% of a number is 100. What is the number?
  34. 34.7 is 5% of ?
  35. 35.50% of a number is 126. What is the number?
  36. 36.108 is 60% of ?
  37. 37.20% of a number is 75. What is the number?
  38. 38.Isha spent ₹40, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.Rohan spent ₹24, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.Kabir spent ₹51, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 88
  2. 148
  3. 376
  4. 48
  5. 70
  6. 60
  7. 282
  8. 350
  9. 115
  10. 300
  11. 200
  12. 322
  13. 184
  14. 295
  15. 310
  16. 110
  17. 395
  18. 120
  19. 216
  20. 195
  21. 268
  22. 225
  23. 385
  24. 100
  25. 336
  26. 60
  27. 300
  28. 380
  29. 350
  30. 230
  31. 185
  32. 270
  33. 125
  34. 140
  35. 252
  36. 180
  37. 375
  38. 50
  39. 30
  40. 204

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