TCS Company

Four men are standing in a market. The average age of all, four years ago was 45 years. Now one man joins them and his age is 49 years. What is the new average age (in years) of all combined together?

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TCS Other Question

There is a pool of radius X and there is a path way around the pool with a width of 4 feet. Find the radius of the pool if the path area / pool area = 11/25

Option
a) 12
b) 5
c) 25
d) 29
what is the remainder of (128)^1000 %9 ?