40 litres of milk are kept in a container. 4 litres of milk were removed from this container and replaced with water. This procedure was performed two...

Vessel A contains milk and water in the ratio $4 : 5$. Vessel B contains milk and water in the ratio...

80 litres of a mixture of spirit and water in the ratio $7:9$ is present in a container A. 20 litres...

How many kilograms of rice costing Rs.60 per kg must be mixed with 24 kg of rice costing Rs.42 per k...

If 80 liters of milk solution contains 60\% milk, how many liters of pure milk should be added to ma...

On a $2200 \text{ m}$ long circular track, Sarita and Kavita start from the same point but in opposi...

Find the **simple interest** (in ₹) on ₹2000 at an interest rate of 6.5\% per annum for the period f...