1 5 th of the boys students studying in Institution C is what percentage of the 1 4th of the girls s...........

Quantitative Aptitude(IBPS RRB PO) Data Table

Directions: The following table shows the number of girls students and average number of boys and girls students studying in five different institutions A, B, C, D and E.

Name of the institutions Number of girls Average number of boys and girls

A 80 110

B 90 140

C 60 80

D 60 96

E 40 48

1/5 th of the boys students studying in Institution C is what percentage of the 1/4th of the girls students studying in the same institution.

This questions was previously asked in

RRB PO Prelims (06 Aug, 2023 Shift 1)

View All RRBA Previous Year Papers

166.67%

116.67%

125%

133.33%

120%

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Explanation:

- Let's find the number of boys in Institution C. Since the average number of boys and girls is given as 80 and the number of girls is 60, the total number of students is \(2 \times 80 = 160\). This means there are \(160 - 60 = 100\) boys.

- 1/5 of the boys in C is \(100/5 = 20\).

- 1/4 of the girls in C is \(60/4 = 15\).

- We need to find what percentage 20 is of 15:

\left(\frac{20}{15} \times 100\right) \% = 133.33\%

- So, the calculation confirms that Option 4: 133.33% is the correct answer.