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Maths Puzzle
w to find the digital sum of 253^253 ?
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when 253 is divided by 9 remainder becomes 1. So answer is also 1.
10 years ago
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Shonika and Smaraki are playing a game where they pick up coins alternately from the coins kept on a table. The rules of the game say that each person has to pick up at least one coin in her turn no person can pick up more than 6 coins in each turn The person who picks up the last coin from the table is the loser and the other person is the winner.
Q . If, at some stage of the game, there are 16 coins on the table, and it is Shonika's turn first, how many coins should she pick to make sure she wins?
A.1 B.2 C.3 D.4