Ratio & Proportion

The ratio of boys to girls in a club is 3:2. Which of the following could be the total number of members in the club? ...

The least common multiple (LCM) of 2, 3, 4, 5, and 7 is 420. The given ratio is $$ \frac{1}{2} : \frac{1}{3} : \frac{1}...

Out of a group of 85 children who play either Badminton, Table Tennis, or both, the number of girls is 70% of the numbe...

A person distributed two different amounts among his four sons A, B, C, and D. The first amount was distributed in the ...

Six coins of equal weight made of gold and silver are melted together to form new coins. The ratio of gold to silver in...

A man ordered a length of rope from a hardware shop over the telephone. However, the order was miswritten by interchang...

If the ratio of $$a : b = 2 : 3$$ and $$b : c = 4 : 5$$, find the ratio $$(a + b) : (b + c)$$. ...