In the year 2012, the ratio of the number of students in two institutes A and B was 7 : 15 respectively. In 2013, there was an increase of 25% in the number of students in institute A and that in ins…

Question

In the year 2012, the ratio of the number of students in two institutes A and B was 7 : 15 respectively. In 2013, there was an increase of 25% in the number of students in institute A and that in institute B by 26%. What was the respective ratio of students in the institutes A and B in 2013?

PYQPulse · Accepted Answer

25: 54

PYQPulse · Answer

Explanation: Let total number of students in institutes A and B in 2012 respectively be $$7x$$ and $$15x$$ => Required ratio after corresponding increases = $$(7x 	imes \frac{125}{100}) : (15x 	imes \frac{126}{100})$$ = $$(7 	imes 125) : (15 	imes 126)$$ = $$25 : 54$$

In the year 2012, the ratio of the number of students in two institutes A and B was 7 : 15 respectively. In 2013, there was an increase of 25% in the number of students in institute A and that in institute B by 26%. What was the respective ratio of students in the institutes A and B in 2013?

Answer: E. 25: 54

Explanation

In the year 2012, the ratio of the number of students in two institutes A and B was 7 : 15 respectively. In 2013, there was an increase of 25% in the number of students in institute A and that in institute B by 26%. What was the respective ratio of students in the institutes A and B in 2013?

Answer: E. 25: 54

Explanation