Question

13. 100: 400 ::?: 900
(A) 120
(B) 130
(C) 150
(D) 180
How to solve this

Answer 1

Answer:

13. 100: 400 ::?: 900

(A) 120

(B) 130

(C) 150

(D) 180

The correct option is (C) 150

Answer 2

Step-by-step explanation:

let ? = x

we know product of middle terms is equal to product of antecedents ie endterms.

$400 \times x = 100 \times 900$

$= > x = \frac{100 \times 900}{400}$

so, x=225