Engineer & Medical

Exam 2002 Chemistry question bank (Chemistry)

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Q1.

The number of ways that $8$ beads of different colours can be strung as a necklace is

(A)
$2520$
(B)
$2880$
(C)
$5040$
(D)
$4320$
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Q2.

If the coefficient of $x$ in the expansion of $(x^2 + \frac{k}{x})^5$ is $270$,then $k =$

(A)
$1$
(B)
$2$
(C)
$3$
(D)
$4$
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