20 men could complete a work in 80 days. They worked together for 60 days, after that due to bad whether the work is stopped for 10 days. How many more men should be employed so as to complete the work in time?

If a + b + c = 12, a² + b² + c² = 52, then what is ab + bc + ca equal to-

What is the respective ratio of number of employees in Administrative department to the number of males in the same department?

The attack on the Chittagong armory was led by?

Who founded all India Muslim league?

With whom is Varghese Kurien associated?

What percentage of the total area of Rajasthan is covered by forests?

What is the concrete treatment of soil salinity and alkalinity?