← Word problems with equations lesson New set →

Equation Word Problems Worksheet

Quantitative aptitude lesson 28: Word problems with equations · Set 611 · 40 questions
TalentJR

The method (Let it be x): Let x be the thing asked for. Write the other amounts using x. Turn the story into one equation. Open brackets, collect x on one side and numbers on the other, then divide. Check: put x back into the story.

NameDateTime takenScore ___ / 40
  1. 1.3 × ? + 10 = 85
  2. 2.I think of a number, multiply it by 7 and then add 7. The answer is 70. What is my number?
  3. 3.A pen costs ₹5 more than a pencil. 6 pens and 7 pencils cost ₹121 in all. What does one pencil cost (in ₹)?
  4. 4.Karan has 24 coins, all ₹5 and ₹2 coins, worth ₹93 in all. How many ₹5 coins are there?
  5. 5.Rohan has 26 coins, all ₹5 and ₹2 coins, worth ₹106 in all. How many ₹5 coins are there?
  6. 6.Solve for x: 6(x + 2) = 2x + 76. What is x?
  7. 7.A pen costs ₹11 more than a pencil. 2 pens and 3 pencils cost ₹122 in all. What does one pencil cost (in ₹)?
  8. 8.Solve for x: 7(x + 9) = x + 99. What is x?
  9. 9.7 × ? − 20 = 50
  10. 10.11 × ? − 20 = 134
  11. 11.I think of a number, multiply it by 8 and then add 23. The answer is 79. What is my number?
  12. 12.3 × ? + 4 = 58
  13. 13.I think of a number, multiply it by 8 and then add 9. The answer is 201. What is my number?
  14. 14.I think of a number, multiply it by 5 and then take away 26. The answer is 59. What is my number?
  15. 15.A pen costs ₹13 more than a pencil. 4 pens and 7 pencils cost ₹261 in all. What does one pencil cost (in ₹)?
  16. 16.Diya has 16 coins, all ₹5 and ₹2 coins, worth ₹44 in all. How many ₹5 coins are there?
  17. 17.Solve for x: 8(x + 7) = x + 70. What is x?
  18. 18.A pen costs ₹2 more than a pencil. 3 pens and 4 pencils cost ₹62 in all. What does one pencil cost (in ₹)?
  19. 19.Solve for x: 6(x + 5) = 2x + 66. What is x?
  20. 20.Isha has 14 coins, all ₹5 and ₹2 coins, worth ₹40 in all. How many ₹5 coins are there?
  21. 21.A pen costs ₹11 more than a pencil. 3 pens and 7 pencils cost ₹93 in all. What does one pencil cost (in ₹)?
  22. 22.The length of a rectangle is 6 m more than its breadth. Its perimeter is 40 m. What is its breadth (in m)?
  23. 23.6 × ? + 16 = 82
  24. 24.I think of a number, multiply it by 3 and then take away 7. The answer is 74. What is my number?
  25. 25.3 × ? + 1 = 70
  26. 26.A pen costs ₹6 more than a pencil. 4 pens and 5 pencils cost ₹69 in all. What does one pencil cost (in ₹)?
  27. 27.A pen costs ₹8 more than a pencil. 2 pens and 6 pencils cost ₹40 in all. What does one pencil cost (in ₹)?
  28. 28.The length of a rectangle is 7 m more than its breadth. Its perimeter is 62 m. What is its breadth (in m)?
  29. 29.The length of a rectangle is 2 m more than its breadth. Its perimeter is 112 m. What is its breadth (in m)?
  30. 30.I think of a number, multiply it by 5 and then add 1. The answer is 126. What is my number?
  31. 31.12 × ? + 18 = 282
  32. 32.2 × ? − 21 = 15
  33. 33.Solve for x: 7(x + 3) = 3x + 25. What is x?
  34. 34.9 × ? − 4 = 131
  35. 35.A pen costs ₹4 more than a pencil. 5 pens and 8 pencils cost ₹137 in all. What does one pencil cost (in ₹)?
  36. 36.A pen costs ₹6 more than a pencil. 2 pens and 2 pencils cost ₹24 in all. What does one pencil cost (in ₹)?
  37. 37.Solve for x: 3(x + 9) = 2x + 34. What is x?
  38. 38.4 × ? + 19 = 35
  39. 39.Solve for x: 7(x + 2) = 2x + 19. What is x?
  40. 40.12 × ? − 18 = 114

Answer key

  1. 25
  2. 9
  3. 7
  4. 15
  5. 18
  6. 16
  7. 20
  8. 6
  9. 10
  10. 14
  11. 7
  12. 18
  13. 24
  14. 17
  15. 19
  16. 4
  17. 2
  18. 8
  19. 9
  20. 4
  21. 6
  22. 7
  23. 11
  24. 27
  25. 23
  26. 5
  27. 3
  28. 12
  29. 27
  30. 25
  31. 22
  32. 18
  33. 1
  34. 15
  35. 9
  36. 3
  37. 7
  38. 4
  39. 1
  40. 11

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude