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Percentage lesson 9: Find the whole from a percent · Set 458 · 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.Aarav spent ₹30, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.30% of a number is 93. What is the number?
  3. 3.30% of a number is 66. What is the number?
  4. 4.80 is 80% of ?
  5. 5.9 is 12% of ?
  6. 6.Diya spent ₹60, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Arjun spent ₹88, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.75% of a number is 48. What is the number?
  9. 9.Sara spent ₹9, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.5% of a number is 1. What is the number?
  11. 11.60% of a number is 147. What is the number?
  12. 12.80% of a number is 200. What is the number?
  13. 13.15 is 30% of ?
  14. 14.75% of a number is 267. What is the number?
  15. 15.39 is 30% of ?
  16. 16.144 is 80% of ?
  17. 17.Anaya spent ₹75, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.Dev spent ₹30, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.38 is 10% of ?
  20. 20.11 is 10% of ?
  21. 21.180 is 50% of ?
  22. 22.Anaya spent ₹43, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.Aarav spent ₹102, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Sara spent ₹7, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.164 is 50% of ?
  26. 26.Anaya spent ₹14, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.Isha spent ₹19, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.72 is 20% of ?
  29. 29.30 is 12% of ?
  30. 30.18 is 12% of ?
  31. 31.90 is 60% of ?
  32. 32.97 is 50% of ?
  33. 33.4 is 40% of ?
  34. 34.12% of a number is 30. What is the number?
  35. 35.Kabir spent ₹4, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.98 is 40% of ?
  37. 37.20 is 80% of ?
  38. 38.173 is 50% of ?
  39. 39.Dev spent ₹122, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.19 is 10% of ?

Answer key

  1. 200
  2. 310
  3. 220
  4. 100
  5. 75
  6. 100
  7. 220
  8. 64
  9. 30
  10. 20
  11. 245
  12. 250
  13. 50
  14. 356
  15. 130
  16. 180
  17. 150
  18. 40
  19. 380
  20. 110
  21. 360
  22. 172
  23. 340
  24. 140
  25. 328
  26. 140
  27. 190
  28. 360
  29. 250
  30. 150
  31. 150
  32. 194
  33. 10
  34. 250
  35. 16
  36. 245
  37. 25
  38. 346
  39. 244
  40. 190

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