Permutation and CombinationHard
Question
The total number of rectangles on a chess board is-
Options
A.1296
B.72
C.1200
D.None of these
More Permutation and Combination Questions
Number of ways in which 9 different toys be distributed among 4 children belonging to different age groups in such a way...In how many way can the letters of the word ′SIMPLETON′ be rearranged?...If in a regular polygon the number of diagonals is 54, then the number of sides of this polygon is :...A student has to answer 10 out of 13 questions in an examination. The number of ways in which he can answer if he must a...The number of ways of arranging the letters AAAAA, BBB, CCC, D, EE & F in a row if the letter C are separated from one a...