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Percentage lesson 9: Find the whole from a percent · Set 433 · 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.Anaya spent ₹39, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.114 is 30% of ?
  3. 3.5% of a number is 12. What is the number?
  4. 4.36 is 30% of ?
  5. 5.Ishaan spent ₹237, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Isha spent ₹2, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.Riya spent ₹20, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.40% of a number is 88. What is the number?
  9. 9.Rohan spent ₹63, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.Rohan spent ₹12, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.Rohan spent ₹7, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.Sara spent ₹13, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.Anaya spent ₹17, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.30% of a number is 87. What is the number?
  15. 15.15% of a number is 15. What is the number?
  16. 16.20% of a number is 6. What is the number?
  17. 17.20% of a number is 30. What is the number?
  18. 18.312 is 80% of ?
  19. 19.Arjun spent ₹6, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.Arjun spent ₹9, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.12% of a number is 15. What is the number?
  22. 22.Meera spent ₹10, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.134 is 50% of ?
  24. 24.60% of a number is 48. What is the number?
  25. 25.Arjun spent ₹7, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.10% of a number is 38. What is the number?
  27. 27.75 is 60% of ?
  28. 28.Ishaan spent ₹147, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.Aarav spent ₹196, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.3 is 12% of ?
  31. 31.56 is 80% of ?
  32. 32.80% of a number is 316. What is the number?
  33. 33.Dev spent ₹8, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.200 is 80% of ?
  35. 35.66 is 50% of ?
  36. 36.15 is 12% of ?
  37. 37.40% of a number is 116. What is the number?
  38. 38.8 is 50% of ?
  39. 39.20% of a number is 5. What is the number?
  40. 40.Rohan spent ₹69, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 260
  2. 380
  3. 240
  4. 120
  5. 395
  6. 8
  7. 50
  8. 220
  9. 315
  10. 240
  11. 140
  12. 65
  13. 85
  14. 290
  15. 100
  16. 30
  17. 150
  18. 390
  19. 30
  20. 30
  21. 125
  22. 50
  23. 268
  24. 80
  25. 70
  26. 380
  27. 125
  28. 196
  29. 392
  30. 25
  31. 70
  32. 395
  33. 32
  34. 250
  35. 132
  36. 125
  37. 290
  38. 16
  39. 25
  40. 230

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