A crate of mangoes contains one bruised mango for every 30 mangoes in the crate. If 3 out of every 4 bruised mangoes are considered unsaleable, and there are 12 unsaleable mangoes in the crate, then how many mangoes are there in the crate?

A fruit seller has a crate of apples containing one bruised apple for every 40 apples in the crate. If 3 out of every 4 bruised apples are considered unsaleable and there are 9 unsaleable apples in the crate,then how many apples are there in the crate?

There are 12 dozen mangoes in a box if there are 43 such boxes how many mangoes are there in all the boxes together?

There are 'y' a mango trees in each row in an orchard. If there 'x' rows, then how many mango trees in all are there in the orchard.

The cost of 30 mangoes is Rs. 150. What is the cost of 60 mangoes (in Rs)?