Permutation and CombinationMedium
Question
How many 6 digit different number can formed with help of the digits of numbers 121 and 202?
Options
A.25
B.50
C.100
D.None of these
More Permutation and Combination Questions
Number of ways in which 3 numbers in A.P. can be selected from 1, 2, 3,...... n is:...Number of ways of placing 5 different balls in 3 identical boxes (no box remains empty), is -...No. of diffent squares of any size (side of square be natural no.) which can be made from a rectangle of size 15 × ...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...In a library there are p copies of each n different books. The number of ways of selecting of one or more books from the...