Before a battle there were the ratio of captains to soldiers was 2 : 7. During the war 25 captains and 100 soldiers were martyred. The new ratio of captains to soldiers became 3 : 10. What is the number of soldiers after the war?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 250
Let the no. of captains and soldiers be 2x and 7x
ATQ
(2x - 25)/(7x - 100) = 3/10
x = 50
No. of soldiers after the war = 7 × 50 - 100 = 250