Question

Raju has 5 times as many one-rupee coins as he has two-rupee coins. If he has a total of
₹ 84, then how many coins of each denomination does he have?

winner gets 10 points but answer with explaination

Answer 1

$let \: the \: number \: of \: 2rs \: coin \: = x \\ then1 \: rs \: coin \: = 5x \\ atq \\ 2 \times x + 1 \times 5x = 84 \\ = 2x + 5x = 84 \\ 7x = 84 \\ x = \frac{84}{7} = 12 \\ 5x = 12 \times 5 = 60 \\ he \: has \: 12 \: coins \: of \: 2rs \: \\ and \: 60 \: coins \: of \: 1rs$

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