If $A: B = 2: 3$ and $B: C = 3: 7,$ then $A + B : B + C : C + A$ is

The total of the ages of Jayant,Prem and Saransh is $93$ years. Ten years ago,the ratio of their ages was $2: 3: 4$. What is the present age (in years) of Saransh?

The ratio of $4^{3.5} : 2^{5}$ is the same as:

Mr. Pandit owned $950$ gold coins,all of which he distributed among his three daughters Lalita,Amita,and Neela. Lalita gave $25$ gold coins to her husband,Amita donated $15$ gold coins,and Neela made jewellery out of $30$ gold coins. The new respective ratio of the coins left with them was $20:73:83$. How many gold coins did Amita receive from Mr. Pandit?

The ratio of the ages of the father and mother was $11: 10$ when their son was born. The ratio of the ages of the father and mother will be $19: 18$ when the son is twice his present age. What is the ratio of the present ages of the father and mother?

If $378$ coins consist of $Rs. 1$,$50$ paise,and $25$ paise coins whose values are in the ratio of $13: 11: 7$,the number of $50$ paise coins will be: