Selected MCQ

Current Question
If a number is 25% more than another number, 80, what is the number?
  • A. 90
  • B. 95
  • C. 100
  • D. 120
Correct Answer: C
Explanation:
25% of 80 = 20 ⇒ total = 100.
Related Question 1
If one number is 20% more than another, the ratio between them is ____.
  • A. 5:6
  • B. 6:5
  • C. 4:5
  • D. 5:4
Correct Answer: B
Explanation:
Let smaller = 5 → larger = 6.
Related Question 2
Three flags of different coloRs. Number of signals using 1 or more flags is ____.
  • A. 6
  • B. 9
  • C. 15
  • D. 18
Correct Answer: C
Explanation:
Total combinations excluding empty = 2³ −1.
Related Question 3
The tens digit of a two-digit number is 2 more than the units digit. The number is 7 times the sum of its digits. Find the units digit.
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Correct Answer: B
Explanation:
Let the unit digit = x, solve Equation.
Related Question 4
The sum of five consecutive even numbers is 440. Find another set where the second least is 121 less.
  • A. 248
  • B. 240
  • C. 228
  • D. 236
Correct Answer: B
Explanation:
Adjust numbers accordingly.
Related Question 5
If one number is 3 times another and their sum is 80, the numbers are ____.
  • A. 20 and 60
  • B. 25 and 55
  • C. 30 and 50
  • D. 15 and 65
Correct Answer: A
Explanation:
Let x + 3x = 80 → x = 20.