UPSC
Government Jobs Exams
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Find the total number of ways of selecting five letters of the word INDEPENDENT
Read Solution (Total 1)
11C5/2!*3!*2!
7 years ago
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UPSC Other Question
Find the total number of ways if six (+) and four (-) are to be placed in a straight line so that no two (- )signs come together?
There are 10 points in a plane, no three of which are in the same straight line excepting 4, which are collinear. Find the number of
(i) straight lines
(ii) triangle formed by joining them.