Question

Q. Rakesh has 4 times as many ₹2 coins as he has ₹5 coins. If he has in all a sum of ₹91, then the number of ₹2 coins is
(1) 21
(2) 28
(3) 30
(4) 32​

Answer 1

Step-by-step explanation:

let the number of 5 rupee coins = x

the number of 2 rupee coins = 4x

value of the coins = 5x+2(4x)=91

= 13x=91

=x=7

the number of 2 rupee coins is 4x=4(7)=28

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Answer 2

Answer:

(2) 28

Step-by-step explanation:

let ₹5 coins be x

then it would be 5x

also ₹2 coins is 2(4x) = 8x

sum of coins is ₹91

5x+8x=91

13x=91

x=91/13

x=13

₹2 coins is 4 times the number of ₹5 coins.

if ₹5 coins=x=13

number of ₹2 is 28