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Percentage lesson 9: Find the whole from a percent · Set 219 · 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 ₹114, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.Aarav spent ₹132, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.12% of a number is 36. What is the number?
  4. 4.33 is 12% of ?
  5. 5.Sara spent ₹48, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.Sara spent ₹24, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.6 is 12% of ?
  8. 8.99 is 30% of ?
  9. 9.60 is 15% of ?
  10. 10.183 is 60% of ?
  11. 11.80% of a number is 248. What is the number?
  12. 12.25% of a number is 59. What is the number?
  13. 13.Ishaan spent ₹82, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.Isha spent ₹45, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Sara spent ₹195, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.Riya spent ₹68, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.30% of a number is 87. What is the number?
  18. 18.Isha spent ₹148, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.18 is 10% of ?
  20. 20.Arjun spent ₹6, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.Anaya spent ₹45, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.Kabir spent ₹48, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.Ishaan spent ₹201, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.50% of a number is 2. What is the number?
  25. 25.60% of a number is 222. What is the number?
  26. 26.9 is 10% of ?
  27. 27.Arjun spent ₹30, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.Meera spent ₹48, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.Arjun spent ₹54, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  30. 30.50% of a number is 191. What is the number?
  31. 31.80% of a number is 252. What is the number?
  32. 32.25% of a number is 62. What is the number?
  33. 33.15% of a number is 30. What is the number?
  34. 34.57 is 75% of ?
  35. 35.11 is 25% of ?
  36. 36.Sara spent ₹22, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.Sara spent ₹18, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.Anaya spent ₹50, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.120 is 30% of ?
  40. 40.12% of a number is 24. What is the number?

Answer key

  1. 152
  2. 330
  3. 300
  4. 275
  5. 320
  6. 60
  7. 50
  8. 330
  9. 400
  10. 305
  11. 310
  12. 236
  13. 164
  14. 180
  15. 260
  16. 170
  17. 290
  18. 296
  19. 180
  20. 60
  21. 300
  22. 80
  23. 335
  24. 4
  25. 370
  26. 90
  27. 200
  28. 400
  29. 360
  30. 382
  31. 315
  32. 248
  33. 200
  34. 76
  35. 44
  36. 88
  37. 30
  38. 100
  39. 400
  40. 200

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