A certain amount was to be distributed among A, B and C in the ratio 2 : 3 : 4 respectively. but was erroneously distributed in the ratio 7 : 2 : 5 respectively. As a result of this, B got Rs.40 less. What is the amount?

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BANK PO Exam (Ibps Bank) 2012 click here to view all questions

A certain amount was to be distributed among A, B and C in the ratio 2 : 3 : 4 respectively. but was erroneously distributed in the ratio 7 : 2 : 5 respectively. As a result of this, B got Rs.40 less. What is the amount?

ARs.210

BRs.270

CRs.230

DRs.280

Nithin ? undefined

Correct answer is: Rs.210

Explanation:

Let the amount be Rs.x.

\(\therefore \left(\frac{3}{9}-\frac{2}{14}\right)x = 40\)

\( \left(\frac{1}{3}-\frac{1}{7}\right)x = 40 \implies \left(\frac{7-3}{21}\right)x = 40\)

\(x = \frac{40 \times 21}{4}\)

\(\text{= Rs.210}\)

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Correct answer is: Rs.210 Explanation: Let the amount be Rs.x. \(\therefore \left(\frac{3}{9}-\frac{2}{14}\right)x = 40\) \( \left(\frac{1}{3}-\frac{1}{7}\right)x = 40 \implies \left(\frac{7-3}{21}\right)x = 40\) \(x = \frac{40 \times 21}{4}\) \(\text{= Rs.210}\) Nithin ? answered undefined All Comments

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