Selected MCQ

Current Question
The area of a square with side x equals the area of a triangle with base x. What is the height of the triangle?
  • A. x/2
  • B. x
  • C. 2x
  • D. 4x
Correct Answer: C
Explanation:
Equating areas: x² = ½ × x × h ⇒ h = 2x.
Related Question 1
The area of a triangle with base 10 cm and height 6 cm is ____.
  • A. 20
  • B. 25
  • C. 30
  • D. 35
Correct Answer: C
Explanation:
Area = ½ × 10 × 6 = 30.
Related Question 2
Total area of 64 squares is 400 cm². Find the side of the big square.
  • A. 17 cm
  • B. 20 cm
  • C. 23 cm
  • D. 26 cm
Correct Answer: D
Explanation:
Total side calculation.
Related Question 3
Side of square increases by 25%. Increase in area is ____.
  • A. 52.65%
  • B. 56.25%
  • C. 50.75%
  • D. 42.75%
Correct Answer: B
Explanation:
Area ∝ side² → (1.25)².
Related Question 4
If the area of a square is 144 sq cm, side is ____.
  • A. 10 cm
  • B. 12 cm
  • C. 14 cm
  • D. 16 cm
Correct Answer: B
Explanation:
Side = √144 = 12.
Related Question 5
If the sides of a triangle are 26 cm, 24 cm, and 10 cm, what is its area?
  • A. 120 cm²
  • B. 130 cm²
  • C. 312 cm²
  • D. 315 cm²
Correct Answer: A
Explanation:
Using Heron’s formula, area = 120 cm².