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Percentage lesson 9: Find the whole from a percent · Set 299 · 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.Meera spent ₹14, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  2. 2.27 is 20% of ?
  3. 3.15% of a number is 54. What is the number?
  4. 4.Aarav spent ₹12, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.Ishaan spent ₹48, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.50% of a number is 169. What is the number?
  7. 7.Riya spent ₹6, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.Riya spent ₹8, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.9 is 25% of ?
  10. 10.20% of a number is 34. What is the number?
  11. 11.80% of a number is 28. What is the number?
  12. 12.25% of a number is 29. What is the number?
  13. 13.10 is 10% of ?
  14. 14.Anaya spent ₹154, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.Aarav spent ₹18, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.25% of a number is 37. What is the number?
  17. 17.Riya spent ₹96, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.268 is 80% of ?
  19. 19.Rohan spent ₹33, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.198 is 60% of ?
  21. 21.50% of a number is 143. What is the number?
  22. 22.Rohan spent ₹15, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.58 is 20% of ?
  24. 24.Aarav spent ₹32, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.14 is 5% of ?
  26. 26.9 is 10% of ?
  27. 27.25% of a number is 63. What is the number?
  28. 28.6 is 12% of ?
  29. 29.Meera spent ₹24, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.50% of a number is 74. What is the number?
  31. 31.Riya spent ₹207, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.8 is 80% of ?
  33. 33.80% of a number is 148. What is the number?
  34. 34.130 is 50% of ?
  35. 35.Rohan spent ₹114, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.40% of a number is 148. What is the number?
  37. 37.12% of a number is 15. What is the number?
  38. 38.33 is 12% of ?
  39. 39.Ishaan spent ₹150, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Sara spent ₹22, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 70
  2. 135
  3. 360
  4. 80
  5. 400
  6. 338
  7. 60
  8. 40
  9. 36
  10. 170
  11. 35
  12. 116
  13. 100
  14. 385
  15. 120
  16. 148
  17. 160
  18. 335
  19. 110
  20. 330
  21. 286
  22. 50
  23. 290
  24. 80
  25. 280
  26. 90
  27. 252
  28. 50
  29. 40
  30. 148
  31. 276
  32. 10
  33. 185
  34. 260
  35. 228
  36. 370
  37. 125
  38. 275
  39. 300
  40. 55

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