CA Foundation doubt
The ways of selecting 4 letters from the word EXAMINATION is (A) 136 (B) 130 (C) 125 (D) none of these
Asked by John26 Nov 20251051 views
3 answers
Sunil · 29 Nov 2025
A
Preeti · 29 Nov 2025
A) 136
Lokesh · 28 Nov 2025
1.____ 2 alike,2 alike letters 3c2 = 3 2.____ 1alike ,2 different letters 3c1 *7c2 =63 3.____ all different letters 8c4= 70 Add all the outcomes 70+63+3= 136 ways
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