Question
Six persons (P, Q, R, S, T, and U) live in a building of
six-floors. The bottommost floor is numbered as 1 and the topmost floor is numbered as 6. T lives on an even numbered floor. P lives immediately above Q. U doesn’t live on 5th floor. Two persons live between S and R. T lives two floors below R. ___ lives on 3rd floor.Solution
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2n years ago, the age of Rahul was four times that of his son and n years ago, the age of Rahul was thrice that of his son. If n years later, the sum of...
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