TNPSC Group 2 Official Paper (2016)

The value of $\sqrt[x]{\sqrt[y]{\sqrt[z]{a}}}$ is

How much time will it take for an amount ₹ 2,000 to double at a simple interest rate 8%

The length of a rectangle is increased by 60%. By what percent would the width have to be decreased so as to maintain the same area

A sum of Rs. 53 is divided among ABC in such a way that A gets Rs. 7 more than what B gets and B gets Rs. 8 more than what C gets. The ratio of their share is

A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Find the ratio of their volumes