Six coins of gold and silver of equal weights are melted and new coin…

Question

Six coins of gold and silver of equal weights are melted and new coins are cast. The ratio of gold and silver in one of the coins is 2 : 1, in another two coins 3 : 5 and 7 : 5 in the remaining coins. What will be the r…

Accepted Answer

Option D. 19 : 17. Answer & Solution Answer: Option D Solution: & Gold in new coins & = ( 2/3 + 2 × 3/8 + 3 × 712 ) units & = ( 2/3 + 3/4 + 7/4 ) units & = 196 units & Silver in new coins & = ( 1/3 + 2 × 5/8 + 3 × 512 ) units & = ( 1/3 + 5/4 + 5/4 ) units & = 176 units . & Required ratio & = 196:…

Six coins of gold and silver of equal weights are melted and new coins are cast. The ratio of gold and silver in one of the coins is 2 : 1, in another two coins 3 : 5 and 7 : 5 in the remaining coins. What will be the ratio between gold and silver respectively in the new coins ?

Solution