The ratio of three numbers is $3:6:8$. If their product is $9216$,then what is the sum of the three numbers?

Gold is $19$ times as heavy as water and copper is $9$ times as heavy as water. In what ratio should these be mixed to get an alloy $15$ times as heavy as water?

If $6 A = 4 B = 9 C$,what is $A : B : C$?

If $10 \%$ of $x = 20 \%$ of $y,$ then $x : y$ is equal to

An amount of money is to be divided among $P$,$Q$,and $R$ in the ratio of $3:5:7$,respectively. If the amount received by $R$ is ₹ $4,000$ more than the amount received by $Q$,what will be the total amount (in ₹) received by $P$ and $Q$ together?

₹ $73,689$ are divided between $A$ and $B$ in the ratio $4:7$. What is the difference between thrice the share of $A$ and twice the share of $B$? (In ₹)