A person puts 1 grain of rice in the first square of a chess board. In – McqOptions

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1.	A person puts 1 grain of rice in the first square of a chess board. In the subsequent squareshe puts twice that of the previous square. How many grains would he need to put on squares of the chess board?
A.	64!
B.	2â¶â´-1
C.	2â¶³-1
D.	p(â¶â´,²)
Answer» C. 2â¶³-1

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