The total number of employees working in Kolkata forms approximately what percent of the total number of employees working in Mumbai?

If 2/9 of the employees working in Chennai were transferred to Patna, how many employees would there be in Patna?

If 25% of the employees working in Delhi are females, how many employees working in Delhi are males?

The average of four consecutive odd numbers P, Q, R and S respectively (in increasing order) is 104. What is the sum of P and S?

Find the average of the following set of scores:142, 93, 102, 206, 115, 98.

A and B together can complete a piece of work in 16 days. B alone can complete the same work in 24 days. In how many days can A alone complete the same work?