Arihant Expert Team Solutions for Exercise 1: Exercise 1

Wages of $14$ persons are $Rs.33000$. Each man gets $Rs.3000$ and each woman gets $Rs.1500$. The number of men is:

A mixture contains sugar and water in the ratio $3:49$. If it contains $0.45 kg$ of sugar, the quantity of water in the mixture is:

A heard of $2$ legged and $4$ legged animals give a head count as $100$. When legs are counted, it comes to be $320$. The number of two-legged animals is:

How much water must be added to a bucket which contains $40 L$ of milk at the cost price of $Rs.3.50 per L$, so that the cost of milk reduces to $Rs.2 per L$? 

In what proportion must water be added to spirit to gain $20\%$ by selling it at the cost price?

A and B are two alloys of gold and copper prepared by mixing metals in the ratio $7:2$and $7:11$ respectively. If equal quantities of alloys are melted to form a third alloy C, the ratio of gold and copper in C will be:

A trader bought a bag of $40 kg$ of basmati rice at $₹125 per kg$ and another bag of $60 kg$ at $₹150 per kg$. He sold the entire stock at a profit of $20\%$. Find the selling price per kg.

Two vessels of the equal volume contain milk and water in the ratio $1:3$and $2:1$. If they are mixed together what is the new ratio of milk and water?