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Percentage lesson 9: Find the whole from a percent · Set 62 · 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.Isha spent ₹21, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.6 is 15% of ?
  3. 3.Arjun spent ₹10, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.15 is 15% of ?
  5. 5.Kabir spent ₹33, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.50% of a number is 161. What is the number?
  7. 7.50% of a number is 145. What is the number?
  8. 8.80% of a number is 108. What is the number?
  9. 9.Arjun spent ₹27, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.Dev spent ₹44, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.32 is 80% of ?
  12. 12.50% of a number is 172. What is the number?
  13. 13.Meera spent ₹40, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.10% of a number is 28. What is the number?
  15. 15.15% of a number is 3. What is the number?
  16. 16.142 is 40% of ?
  17. 17.68 is 40% of ?
  18. 18.21 is 12% of ?
  19. 19.37 is 25% of ?
  20. 20.25% of a number is 54. What is the number?
  21. 21.80% of a number is 212. What is the number?
  22. 22.12% of a number is 6. What is the number?
  23. 23.Anaya spent ₹16, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.19 is 20% of ?
  25. 25.7 is 5% of ?
  26. 26.Diya spent ₹10, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.5% of a number is 3. What is the number?
  28. 28.Sara spent ₹51, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.39 is 15% of ?
  30. 30.5% of a number is 18. What is the number?
  31. 31.12% of a number is 9. What is the number?
  32. 32.50% of a number is 170. What is the number?
  33. 33.39 is 60% of ?
  34. 34.42 is 12% of ?
  35. 35.Kabir spent ₹6, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.50% of a number is 45. What is the number?
  37. 37.96 is 30% of ?
  38. 38.15 is 5% of ?
  39. 39.40% of a number is 106. What is the number?
  40. 40.Sara spent ₹73, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 35
  2. 40
  3. 100
  4. 100
  5. 330
  6. 322
  7. 290
  8. 135
  9. 54
  10. 220
  11. 40
  12. 344
  13. 100
  14. 280
  15. 20
  16. 355
  17. 170
  18. 175
  19. 148
  20. 216
  21. 265
  22. 50
  23. 80
  24. 95
  25. 140
  26. 200
  27. 60
  28. 102
  29. 260
  30. 360
  31. 75
  32. 340
  33. 65
  34. 350
  35. 60
  36. 90
  37. 320
  38. 300
  39. 265
  40. 292

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