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Percentage lesson 9: Find the whole from a percent · Set 191 · 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.

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  1. 1.Anaya spent ₹20, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.12% of a number is 30. What is the number?
  3. 3.56 is 20% of ?
  4. 4.Dev spent ₹228, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.Riya spent ₹16, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.25% of a number is 59. What is the number?
  7. 7.36 is 75% of ?
  8. 8.30 is 12% of ?
  9. 9.75% of a number is 111. What is the number?
  10. 10.Anaya spent ₹15, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.Meera spent ₹18, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.Rohan spent ₹33, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.50% of a number is 180. What is the number?
  14. 14.Ishaan spent ₹30, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.96 is 75% of ?
  16. 16.8 is 5% of ?
  17. 17.30% of a number is 63. What is the number?
  18. 18.17 is 5% of ?
  19. 19.25 is 20% of ?
  20. 20.Dev spent ₹30, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.75% of a number is 108. What is the number?
  22. 22.Arjun spent ₹136, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.Riya spent ₹80, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Diya spent ₹39, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.Rohan spent ₹33, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.Isha spent ₹87, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.167 is 50% of ?
  28. 28.20% of a number is 2. What is the number?
  29. 29.Meera spent ₹153, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.Dev spent ₹71, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.5% of a number is 9. What is the number?
  32. 32.30 is 30% of ?
  33. 33.25% of a number is 3. What is the number?
  34. 34.9 is 5% of ?
  35. 35.Sara spent ₹3, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.80% of a number is 36. What is the number?
  37. 37.Kabir spent ₹92, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Isha spent ₹48, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.Meera spent ₹156, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.Diya spent ₹68, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 40
  2. 250
  3. 280
  4. 380
  5. 40
  6. 236
  7. 48
  8. 250
  9. 148
  10. 50
  11. 150
  12. 165
  13. 360
  14. 250
  15. 128
  16. 160
  17. 210
  18. 340
  19. 125
  20. 120
  21. 144
  22. 170
  23. 100
  24. 390
  25. 220
  26. 116
  27. 334
  28. 10
  29. 204
  30. 355
  31. 180
  32. 100
  33. 12
  34. 180
  35. 10
  36. 45
  37. 368
  38. 192
  39. 390
  40. 340

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