Q78
Given that 1 cu. cm of marble weights 25 gms, the weight of a marble block 28 cm in width and 5 cm thick is 112 kg. The length of the block is :
A.
26.5 cm
B.
32 cm
AnswerC.
36 cm
D.
37.5 cm
Answer: Option B
Solution
Answer: Option B
Solution:
Let length = x cmThen,