A sum of rs. 36.90 is made up of 180 coins which are either 10 paise coins or 25 p coins. the number of 10p coins is?
a. 48
b. 54
c. 56
d. 60 with answer
Answers
Answered by
4
ans is opion d - 54
sol-
let the 10 p coins be x and 25p coins are y
now
x+y=180
and 10x+25y=3690.
hope u like it.
sol-
let the 10 p coins be x and 25p coins are y
now
x+y=180
and 10x+25y=3690.
hope u like it.
Answered by
2
b. 54
verification
10 are 54 so total paise would be 540
total coins 180
remaining 126
25 paise coins are 126
so 25p coins + 10p coins=3690
25×126+10×54
3150+540=3690
proved
verification
10 are 54 so total paise would be 540
total coins 180
remaining 126
25 paise coins are 126
so 25p coins + 10p coins=3690
25×126+10×54
3150+540=3690
proved
Similar questions