Question

Question No. 110
A stone is dropped from the top of a building. If it covers 3/4th of its total height in the last second of its
journey, then the total time of fall is
(A) 1.5 s
(B) 2 s
(C) 2.5 s
(D) 3s​

Answer 1

Answer:

B) 2s

Explanation:

short trick √4= 2 s (underroot of denominator)

I hope it helps