Permutations, Combinations and Probability-Permutation (IAS Prelims CSAT Paper-II (Aptitude)): Questions 1 - 1 of 1

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Question number: 1

» Permutations, Combinations and Probability » Permutation

Appeared in Year: 2014

MCQ▾

Question

A group of 630 children is seated in rows for a group photo session. Each row contains three less children than the row in front of it. Which one of the following number of rows is not possible?

Choices

Choice (4) Response
a.

6

b.

3

c.

5

d.

4

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