Selected MCQ

Current Question
Number of bricks needed for a wall given dimensions is ____.
  • A. 4000
  • B. 5000
  • C. 6000
  • D. 7000
Correct Answer: C
Explanation:
Volume ratio.
Related Question 1
Four prime numbers in ascending order, given the condition. Find the second number.
  • A. 17
  • B. 29
  • C. 23
  • D. 31
Correct Answer: B
Explanation:
Based on the given pattern.
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
A wooden box of dimensions 8 m × 7 m × 6 m is filled with smaller boxes. How many boxes are needed?
  • A. 1200000
  • B. 1000000
  • C. 9800000
  • D. 7500000
Correct Answer: B
Explanation:
Volume ratio yields the total number of boxes.
Related Question 4
A solid consists of a cylinder with a cone on top. If dimensions are given, what is total volume?
  • A. 2h
  • B. 4h
  • C. 2h/3
  • D. 3h/2
Correct Answer: C
Explanation:
Volume = cylinder + cone.
Related Question 5
A room is 6.24 m long and 4.32 m wide. What is the least number of equal square tiles needed?
  • A. 110
  • B. 124
  • C. 96
  • D. 117
Correct Answer: D
Explanation:
Divide the area using the largest square tile size.