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(#M40024064) IBPS Numerical Ability question Numerical Keep an EYE

Rohit has some 50 paisa coins, some 2 rupees coins, some 1 rupee and some 5 rupee coins. The value of all of coins is Rs. 50/-. Number of 2 rupee coin is 5 more than the 5 rupee coins. 50 paisa coins are double in number than 1 rupee coin. Value of 50 paisa coins and 1 rupee coins is Rs. 28/-. How many 2 rupee coins does he have?
(1) 4
(2) 2
(3) 7
(4) Cannot be determined
(5) None of these

Asked In IBPS MAN (11 years ago)

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Read Solution (1) :

Krishnakumar  (8 years ago)

let 2 rupee coin to be 'x'
the value of 50p coins and 1 rupee coins is rs.26
the difference between 2rs and 5rs coin is 5.
total value of the coins is rs.50.
so, 50-26=24(total coins - number of 50p coins+number of 1 rupee coins)
2r+5r->24
2x+5(x-5)=24
2x+5x-25=24
7x=49
x=7

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