Question

A post has 1/3 of its length in mud.1/4 of it in water and 15 meters above water its total length is
a)36m
b)42m
c)34m
d)30m

Answer 1

Answer:

Total length of the post = 36 m

Step-by-step explanation:

1/3 part is in mud and 1/4 part is in water.

Remaining part = 1 - (1/3 + 1/4) = 1 - 7/12 = 5/12, which is given as 15 m.

ie, (5/12)*x = 15

x = 15*12/5 = 36 m