Selected MCQ

Current Question
75% of a number added to 75 equals the number. Find the number ____.
  • A. 150
  • B. 200
  • C. 225
  • D. 300
Correct Answer: D
Explanation:
x = 75 + 0.75x.
Related Question 1
Three numbers: 5/7 of the first equals 48% of the second, and the second is 1/9 of the third. Find first.
  • A. 168
  • B. 84
  • C. 42
  • D. 21
Correct Answer: D
Explanation:
Solve the proportion.
Related Question 2
Sum of two numbers is 2490. 6.5% of one equals 8.5% of the other. Find numbeRs.
  • A. 989,1501
  • B. 1011,1479
  • C. 1401,1089
  • D. 1411,1079
Correct Answer: D
Explanation:
Solve the ratio Equation.
Related Question 3
8% of voters did not vote. If the total number of voters is such that 92% equals 25300, find the total number of voters ____.
  • A. 21000
  • B. 22000
  • C. 23500
  • D. 27500
Correct Answer: D
Explanation:
Total = 25300 / 0.92.
Related Question 4
60% of a number added to 120 gives the same number. Find the number ____.
  • A. 300
  • B. 200
  • C. 400
  • D. 500
Correct Answer: A
Explanation:
x = 120 + 0.6x → solve.
Related Question 5
Three numbers are co-prime. The product of the first two is 551. Find the third.
  • A. 75
  • B. 81
  • C. 85
  • D. 89
Correct Answer: C
Explanation:
Factorization approach.