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Percentage lesson 9: Find the whole from a percent · Set 486 · 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.Dev spent ₹9, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  2. 2.40% of a number is 152. What is the number?
  3. 3.36 is 30% of ?
  4. 4.Arjun spent ₹12, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.Diya spent ₹150, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.60% of a number is 36. What is the number?
  7. 7.24 is 40% of ?
  8. 8.5% of a number is 4. What is the number?
  9. 9.70 is 25% of ?
  10. 10.Aarav spent ₹36, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Arjun spent ₹39, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.Dev spent ₹31, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.15% of a number is 18. What is the number?
  14. 14.Ishaan spent ₹2, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.50% of a number is 58. What is the number?
  16. 16.5% of a number is 7. What is the number?
  17. 17.18 is 40% of ?
  18. 18.Kabir spent ₹18, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.Diya spent ₹22, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.Ishaan spent ₹45, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.51 is 20% of ?
  22. 22.Dev spent ₹38, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.10 is 25% of ?
  24. 24.50% of a number is 186. What is the number?
  25. 25.75% of a number is 156. What is the number?
  26. 26.20% of a number is 35. What is the number?
  27. 27.60% of a number is 15. What is the number?
  28. 28.234 is 60% of ?
  29. 29.40% of a number is 12. What is the number?
  30. 30.48 is 60% of ?
  31. 31.Ishaan spent ₹66, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Kabir spent ₹36, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.Aarav spent ₹213, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.50% of a number is 34. What is the number?
  35. 35.10% of a number is 8. What is the number?
  36. 36.27 is 75% of ?
  37. 37.75% of a number is 33. What is the number?
  38. 38.1 is 5% of ?
  39. 39.30% of a number is 12. What is the number?
  40. 40.Dev spent ₹12, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 60
  2. 380
  3. 120
  4. 80
  5. 250
  6. 60
  7. 60
  8. 80
  9. 280
  10. 240
  11. 156
  12. 310
  13. 120
  14. 40
  15. 116
  16. 140
  17. 45
  18. 24
  19. 220
  20. 225
  21. 255
  22. 95
  23. 40
  24. 372
  25. 208
  26. 175
  27. 25
  28. 390
  29. 30
  30. 80
  31. 220
  32. 360
  33. 355
  34. 68
  35. 80
  36. 36
  37. 44
  38. 20
  39. 40
  40. 30

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