KVPY Stream-SA (Class 11) Math: Questions 115 - 119 of 251
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Question number: 115
Question number: 116
Appeared in Year: 2015
How many ways are there to arrange the letters of the word EDUCATION so that all the following three conditions hold?
1. the vowels occur in the same order (EUAIO)
2. the consonants occur in the same order (DCTN)
3. no two consonants are next to each other
Question number: 117
Let ABCD be a square of side length 1. Let P, Q, R, S be points in the interiors of the sides AD, BC, AB, CD, respectively, such that PQ and RS intersect at right angles. If then RS equals –