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Percentage lesson 9: Find the whole from a percent · Set 309 · 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.Arjun spent ₹38, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.70 is 25% of ?
  3. 3.156 is 80% of ?
  4. 4.10% of a number is 28. What is the number?
  5. 5.54 is 60% of ?
  6. 6.25% of a number is 83. What is the number?
  7. 7.15% of a number is 6. What is the number?
  8. 8.Rohan spent ₹6, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.30 is 75% of ?
  10. 10.Kabir spent ₹8, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.207 is 60% of ?
  12. 12.Arjun spent ₹193, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.30% of a number is 12. What is the number?
  14. 14.115 is 50% of ?
  15. 15.15 is 30% of ?
  16. 16.21 is 50% of ?
  17. 17.50% of a number is 126. What is the number?
  18. 18.75% of a number is 18. What is the number?
  19. 19.96 is 25% of ?
  20. 20.Dev spent ₹3, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.25% of a number is 94. What is the number?
  22. 22.20% of a number is 35. What is the number?
  23. 23.Diya spent ₹43, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.50% of a number is 150. What is the number?
  25. 25.90 is 30% of ?
  26. 26.25% of a number is 65. What is the number?
  27. 27.147 is 60% of ?
  28. 28.87 is 25% of ?
  29. 29.39 is 12% of ?
  30. 30.80% of a number is 184. What is the number?
  31. 31.Ishaan spent ₹33, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.10% of a number is 29. What is the number?
  33. 33.20% of a number is 64. What is the number?
  34. 34.53 is 20% of ?
  35. 35.Kabir spent ₹11, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.30 is 15% of ?
  37. 37.20% of a number is 6. What is the number?
  38. 38.Riya spent ₹159, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.20% of a number is 69. What is the number?
  40. 40.9 is 12% of ?

Answer key

  1. 380
  2. 280
  3. 195
  4. 280
  5. 90
  6. 332
  7. 40
  8. 50
  9. 40
  10. 160
  11. 345
  12. 386
  13. 40
  14. 230
  15. 50
  16. 42
  17. 252
  18. 24
  19. 384
  20. 10
  21. 376
  22. 175
  23. 172
  24. 300
  25. 300
  26. 260
  27. 245
  28. 348
  29. 325
  30. 230
  31. 275
  32. 290
  33. 320
  34. 265
  35. 44
  36. 200
  37. 30
  38. 318
  39. 345
  40. 75

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