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Percentage lesson 9: Find the whole from a percent · Set 795 · 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.Rohan spent ₹2, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.96 is 80% of ?
  3. 3.60% of a number is 156. What is the number?
  4. 4.Dev spent ₹64, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.Isha spent ₹11, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.Isha spent ₹21, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.40% of a number is 18. What is the number?
  8. 8.Meera spent ₹15, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Aarav spent ₹84, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.70 is 25% of ?
  11. 11.45 is 15% of ?
  12. 12.7 is 25% of ?
  13. 13.15 is 5% of ?
  14. 14.15% of a number is 21. What is the number?
  15. 15.40% of a number is 14. What is the number?
  16. 16.Aarav spent ₹9, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.80% of a number is 236. What is the number?
  18. 18.116 is 50% of ?
  19. 19.1 is 50% of ?
  20. 20.Riya spent ₹15, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.25% of a number is 27. What is the number?
  22. 22.Kabir spent ₹212, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.184 is 80% of ?
  24. 24.60% of a number is 225. What is the number?
  25. 25.Sara spent ₹279, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.57 is 15% of ?
  27. 27.17 is 25% of ?
  28. 28.106 is 50% of ?
  29. 29.20% of a number is 60. What is the number?
  30. 30.31 is 50% of ?
  31. 31.Anaya spent ₹30, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.69 is 30% of ?
  33. 33.210 is 60% of ?
  34. 34.Aarav spent ₹1, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.Ishaan spent ₹36, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.3 is 10% of ?
  37. 37.40% of a number is 30. What is the number?
  38. 38.Ishaan spent ₹22, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.Ishaan spent ₹39, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Diya spent ₹16, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 5
  2. 120
  3. 260
  4. 160
  5. 22
  6. 140
  7. 45
  8. 60
  9. 140
  10. 280
  11. 300
  12. 28
  13. 300
  14. 140
  15. 35
  16. 75
  17. 295
  18. 232
  19. 2
  20. 125
  21. 108
  22. 265
  23. 230
  24. 375
  25. 372
  26. 380
  27. 68
  28. 212
  29. 300
  30. 62
  31. 150
  32. 230
  33. 350
  34. 20
  35. 180
  36. 30
  37. 75
  38. 44
  39. 52
  40. 320

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