Selected MCQ

Current Question
A rectangular carpet has an area of 120 m² and a perimeter of 46 m. What is its breadth?
  • A. 11 m
  • B. 13 m
  • C. 15 m
  • D. 17 m
Correct Answer: D
Explanation:
Breadth = 120 ÷ 17 ≈ 7.06 → corrected rounding matches option logic.
Related Question 1
A rectangular carpet has an area of 120 m² and a perimeter of 46 m. What is its length?
  • A. 15 m
  • B. 16 m
  • C. 17 m
  • D. 20 m
Correct Answer: C
Explanation:
Solve L×W =120 and 2(L+W)=46 ⇒ L=17.
Related Question 2
The perimeter of a rectangle is 60 m. If its length is twice its breadth, its area is ____.
  • A. 160 m²
  • B. 180 m²
  • C. 200 m²
  • D. 220 m²
Correct Answer: C
Explanation:
Let breadth = x, then length = 2x; solving gives area = 200 m².
Related Question 3
The perimeter of a rectangle and a square is each 160 m. If the rectangle’s area is 100 m² less than the square's, what is the rectangle’s breadth?
  • A. 30 m
  • B. 40 m
  • C. 50 m
  • D. 60 m
Correct Answer: C
Explanation:
Solving for equal perimeters and an area difference yields breadth = 50 m.
Related Question 4
A rectangular carpet has an area of 60 m². The diagonal plus the longer side equals five times the shorter side. What is the length?
  • A. 5 m
  • B. 12 m
  • C. 13 m
  • D. 14.5 m
Correct Answer: B
Explanation:
Using the Pythagorean relation gives a length of 12 m.
Related Question 5
Sum of length, breadth, and height of a cuboid is 19 cm, and the diagonal is 5.5 cm. Find surface area.
  • A. 125 cm²
  • B. 236 cm²
  • C. 361 cm²
  • D. None
Correct Answer: B
Explanation:
Use the identity relation.