Discussion :: Ratio and Proportion
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A and B together have Rs. 1210. If \(\frac { 4 } { 15 } \) of A's amount is equal to \(\frac { 2 } { 5 } \) of B's amount, how much amount does B have?
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Answer : Option B
Explanation :
\(\frac { 4 } { 15 } \) A = \(\frac { 2 } { 5 } \) B
A =[\(\frac { 2 } { 5 } \) x\(\frac { 15 } { 4} \)]B
A = \(\frac {3 } { 2} \) B
\(\frac {A } { B} \) =\(\frac {3 } { 2} \)
A : B = 3 : 2
B's share = Rs[1210 x \(\frac { 2 } { 5 } \)] = Rs. 484
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