A jewel weighing 200 grams contains 75% gold. Find the weight of gold in the jewel.
150 grams
89 grams
100 grams
120 grams
A jeweller has two bars of 18 carat gold and 12 carat gold .how much each must be melted together to obtain a bar of 16 carat gold weighing 120 grams ?
A jeweller has bars of 18 carat gold and 12 carat gold. How much of each must be melted together to obtain a bar of 16 carat gold weighing 120 grams?(Pure gold is 24 carat)
Find the percentage of gold in an ornament if 600 grams of the ornament contains 450 grams of gold.
Question 122
The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weights 7.6 grams. How many grams of pure gold are in the ring?