There are three vessels P, Q and R in which mixture of milk and water in the ratio of 7 : 5, 3 : 2 and 5 : 3, if 40 l mixture from vessel P, 32 l mixture from vessel Q and 88 l mixture from vessel R taken out and mixed in a big vessel M,find the ratio of milk and water in vessel M?

In a mixture of $165$ litres, the ratio of liquids $X$ and $Y$ is $6:5$. If $5$ litres of liquid $Y$ is added in the mixture, then what is the ratio of $X$ and $Y$ in the new mixture ?

What is the combined ratio of 3:2, 7:4 and 6:5?

A box contains one rupee, fifty paisa and twenty five paisa coins. The total number of coins are $378$. The ratio of values of the above coins is $13:11:7$. The number of twenty five paise coins was:

If we divide 184 kg in the ratio 2 : 3 : 3, the relevant measures in kg are:

(A) 26, 79 and 79 

(B) 6, 89 and 89 

(C) 46, 79 and 79 

(D) 46, 69 and 69 

What is the $4th$ proportional of $3, 8, 12$ ? 

1. $36$

2. $26$

3. $32$

4. $16$