(Sample Material) CSAT Online Coaching : Basic Numeracy "Permutation and Combination"

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Subject: Basic Numeracy

Topic: Permutation and Combination

1. If ⁿP₅ = 12 (ⁿP₄). Find n.

(a) 12
(b) 16
(c) 8
(d) 14

2.In how many ways can 3 prizes be distributed among 4 boys when a boy may get any number of prizes?

(a) 24
(b) 16
(c) 64
(d) 46

3.If there are 15 railway stations on a railway line, how many single different first class tickets must be printed so as to enable a passenger to travel from one station to another?

(a) 350
(b) 390
(c) 360
(d) 380

4. In how many ways can 15 things be divided equally among 3 persons?

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