1) From two ornaments weighing 18 gms and 24 gms contain gold and silver in the ratio of 2 : 1 and 5 : 1 respectively.A new ornament is casted.What is the amount of gold in the new ornament? A) 10 gms B) 12 gms C) 32 gms D) 28 gms Answer: Option CExplanation:First ornament : Gold $=\frac{2}{3}\times 18=12 gms$ Second ornament : Gold $=\frac{5}{6}\times 24=20 gms$ Total weight = 12+20=32 gms
