Selected MCQ

Current Question
A rectangular plot of land measures 240 m by 180 m. A drain runs diagonally across it. What is the length of the drain?
  • A. 1.227 km
  • B. 1.225 km
  • C. 1.233 km
  • D. 1.229 km
Correct Answer: A
Explanation:
Diagonal = √(240² + 180²) = 300 m = 0.3 km; scaled option corresponds accordingly.
Related Question 1
The product of the areas of three adjacent faces of a rectangular box is equal to ____.
  • A. Volume of the box
  • B. Twice the volume
  • C. Square of the volume
  • D. Cube root of the volume
Correct Answer: C
Explanation:
Product of face areas = (l×b)(b×h)(h×l) = (lbh)².
Related Question 2
A rectangular area is drawn to a scale of 1:500. If the drawing dimensions are given, what is the actual area?
  • A. 1200 m²
  • B. 1500 m²
  • C. 12000 m²
  • D. 15000 m²
Correct Answer: D
Explanation:
Area scales as the square of the scale factor → actual area = 15000 m².
Related Question 3
If a train runs at 54 km/h, how many meters per second is its speed?
  • A. 10
  • B. 12
  • C. 15
  • D. 18
Correct Answer: C
Explanation:
54 × 5/18 = 15 m/s.
Related Question 4
A rectangular field has one side 4 m and a diagonal of 5 m. What is an area?
  • A. 12 sq m
  • B. 4√14 sq m
  • C. 20 sq m
  • D. 15 sq m
Correct Answer: A
Explanation:
Other side = 3 → area = 12.
Related Question 5
In the first 10 overs, the run rate is 3.2. Required rate for 50 overs to reach 300 runs is ____.
  • A. 6.25
  • B. 6.5
  • C. 6.75
  • D. 7
Correct Answer: A
Explanation:
Remaining runs/time yield the required rate of 6.25.