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Percentage lesson 9: Find the whole from a percent · Set 398 · 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. 1.25% of a number is 61. What is the number?
  2. 2.Kabir spent ₹28, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.63 is 30% of ?
  4. 4.Isha spent ₹44, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.Riya spent ₹20, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.6 is 10% of ?
  7. 7.Diya spent ₹24, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.50% of a number is 107. What is the number?
  9. 9.Aarav spent ₹65, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.12% of a number is 18. What is the number?
  11. 11.45 is 15% of ?
  12. 12.9 is 10% of ?
  13. 13.Ishaan spent ₹24, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.Diya spent ₹142, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.5% of a number is 14. What is the number?
  16. 16.42 is 25% of ?
  17. 17.18 is 25% of ?
  18. 18.99 is 75% of ?
  19. 19.17 is 10% of ?
  20. 20.21 is 15% of ?
  21. 21.20% of a number is 56. What is the number?
  22. 22.Meera spent ₹143, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.15% of a number is 9. What is the number?
  24. 24.68 is 40% of ?
  25. 25.98 is 40% of ?
  26. 26.12% of a number is 21. What is the number?
  27. 27.20% of a number is 50. What is the number?
  28. 28.30 is 40% of ?
  29. 29.96 is 30% of ?
  30. 30.10% of a number is 29. What is the number?
  31. 31.210 is 75% of ?
  32. 32.60% of a number is 138. What is the number?
  33. 33.Dev spent ₹82, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.60% of a number is 108. What is the number?
  35. 35.40% of a number is 84. What is the number?
  36. 36.Meera spent ₹9, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.180 is 50% of ?
  38. 38.15 is 12% of ?
  39. 39.Ishaan spent ₹144, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Arjun spent ₹6, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 244
  2. 280
  3. 210
  4. 110
  5. 80
  6. 60
  7. 96
  8. 214
  9. 260
  10. 150
  11. 300
  12. 90
  13. 160
  14. 355
  15. 280
  16. 168
  17. 72
  18. 132
  19. 170
  20. 140
  21. 280
  22. 286
  23. 60
  24. 170
  25. 245
  26. 175
  27. 250
  28. 75
  29. 320
  30. 290
  31. 280
  32. 230
  33. 328
  34. 180
  35. 210
  36. 36
  37. 360
  38. 125
  39. 288
  40. 120

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