The ratio of the number of students studying in school A, B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the school is increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students in school A, B and C?

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BANK PO Exam (Indian Bank) 2010 click here to view all questions

The ratio of the number of students studying in school A, B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the school is increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students in school A, B and C?

A3 : 25 : 15

B20 : 25 : 13

C15 : 25 : 13

DCannot be determined

Nithin ? Aug 12 '2022 at 21:48

Correct answer is: 15 : 25 : 13

Explanation:

Required ratio

\(\Large \frac{5 \times 120}{100}:\frac{8 \times 125}{100}:\frac{4 \times 130}{10}\)

\(\Large 5 \times 120 :\ 8 \times 125 :\ 4 \times 130\)

\(= 15 : 25 : 13\)

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Correct answer is: 15 : 25 : 13 Explanation: Required ratio \(\Large \frac{5 \times 120}{100}:\frac{8 \times 125}{100}:\frac{4 \times 130}{10}\) \(\Large 5 \times 120 :\ 8 \times 125 :\ 4 \times 130\) \(= 15 : 25 : 13\) Nithin ? answered Aug 12 '2022 at 21:48 All Comments

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