Question

Solve this problem of reasoning 3:78::5:? Option 120 125 135 115

Answer 1

The answer should be equal to 130
(3/78)=(5/x)
x=(5×78)/3
x=130

Answer 2

Answer:

The unknow value be 130 .

Step-by-step explanation:

Let us assume that the unknow value be y .

Thus the expression given in question be .

3:78::5:y

It is also written in the form.

$\frac{3}{78} = \frac{5}{y}$

simplify the above

$y = \frac{5\times 78}{3}$

$y = 5\times 26}$

y = 130

Therefore the unknow value be 130 .