CAT 2019 Permutations and Combinations Question (Medium)

Question

In how many ways can letters of word POTICA be arranged such that vowels occupy odd positions?

Optima Learn · Accepted Answer

Understanding POTICA has 6 letters 3 vowels O, I, A and 3 consonants P, T, C . The question asks for the number of arrangements where the vowels occupy the odd-numbered positions 1st, 3rd, 5th . Analyzing Since POTICA has 6 letters, there are exactly 3 odd positions 1, 3, 5 and 3 even positions 2, 4

CAT 2019 Permutations and Combinations — Previous Year Question

CAT 2019

Quantitative

Permutations and Combinations

Medium

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