Question

leena has 117 rupees in the form of 5 rupee coins and 2 rupee coins the no. 2 rupee coins is 4 times that of 5 rupee coins find the no. of coins of each denominatnion

Answer 1

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Here is your answer

Let the number of 5 rupees coins be x
so The number of 2 rupees coins be 4x

ATQ
$5x + 2 \times 4x = 117 \\ 5x + 8x = 117 \\ 13x = 117 \\ x = \frac{117}{13} \\ x = 9$
Therefore, The number of 5 rupees coins are 9 and The number of 2 rupee's coins are (4×9) = 36.

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