Examveda
Examveda

The falling height of an object is proportional to the square of the time. One object falls 64 cm in 2 sec then in 6 sec from how much height the object will fall ?

A. 192 cm

B. 276 cm

C. 436 cm

D. 576 cm

Answer: Option D

Solution(By Examveda Team)

h α t2
⇒ h = kt2 for some constant k
⇒ 64 = k × 22 = 4k
⇒ k = 16.
Let the required height be x cm.
Then,
= x = 16 × 62 = (16 × 36) cm = 576 cm.

This Question Belongs to Arithmetic Ability >> Ratio

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