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CBSE Class 8 Answered

I have a total of ₹300 in coins of denomination ₹1, ₹2, ₹5. The number of ₹2 coins is three times the number of ₹5 coins. The total number of coins is 160.How many coins of each denomination are with me?
Asked by SanjayaBiswal | 07 Jun, 2020, 11:59: AM
answered-by-expert Expert Answer
let there are 
x 1rs coins, y 2rs coins and z 5rs coins
 
so,
x+2y+5z=300
y=3z
x+y+z=160
 
use the above three equations sub in each other and find the value
Answered by Arun | 11 Jun, 2020, 06:52: PM

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