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Permutations Tricks for SBI & IBPS Bank PO/Clerk

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Takshila Learning regularly offers you different blogs and articles on important topics, news, and information related to banking exams. In this article, ‘Permutations’ from Quantitative aptitude section has been explained.

PERMUTATIONS SOLUTIONS

Important concept & formulas: –
Factorial Notation: Let n be any positive integer. Then, factorial n denoted by n! is defined as
n! = n(n-1)(n-2). . . . . . . .3.2.1
eg:- 6! = (6 * 5 * 4* 3 * 2 * 1)
= 720
&0! = 1
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