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Percentage lesson 9: Find the whole from a percent · Set 291 · 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.Aarav spent ₹53, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.10% of a number is 38. What is the number?
  3. 3.Riya spent ₹210, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.33 is 12% of ?
  5. 5.Arjun spent ₹34, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.18 is 15% of ?
  7. 7.Ishaan spent ₹13, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.9 is 15% of ?
  9. 9.Rohan spent ₹16, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.75% of a number is 276. What is the number?
  11. 11.19 is 10% of ?
  12. 12.Rohan spent ₹111, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.12% of a number is 12. What is the number?
  14. 14.Isha spent ₹180, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.30% of a number is 108. What is the number?
  16. 16.40% of a number is 124. What is the number?
  17. 17.Kabir spent ₹200, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.Diya spent ₹13, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.10% of a number is 5. What is the number?
  20. 20.Diya spent ₹6, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.17 is 5% of ?
  22. 22.Isha spent ₹88, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.12% of a number is 48. What is the number?
  24. 24.20% of a number is 52. What is the number?
  25. 25.Arjun spent ₹30, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.24 is 60% of ?
  27. 27.12% of a number is 9. What is the number?
  28. 28.10% of a number is 36. What is the number?
  29. 29.60 is 15% of ?
  30. 30.20% of a number is 79. What is the number?
  31. 31.Meera spent ₹1, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.Ishaan spent ₹33, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Sara spent ₹82, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.30% of a number is 15. What is the number?
  35. 35.Anaya spent ₹80, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.Isha spent ₹168, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.20% of a number is 26. What is the number?
  38. 38.Aarav spent ₹62, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.Rohan spent ₹143, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.90 is 25% of ?

Answer key

  1. 265
  2. 380
  3. 280
  4. 275
  5. 340
  6. 120
  7. 52
  8. 60
  9. 64
  10. 368
  11. 190
  12. 222
  13. 100
  14. 300
  15. 360
  16. 310
  17. 400
  18. 260
  19. 50
  20. 8
  21. 340
  22. 220
  23. 400
  24. 260
  25. 60
  26. 40
  27. 75
  28. 360
  29. 400
  30. 395
  31. 4
  32. 220
  33. 328
  34. 50
  35. 160
  36. 280
  37. 130
  38. 155
  39. 286
  40. 360

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