Question
In how many ways 6 novels and 7 notebooks can be
arranged in a row so that they are alternate?Solution
Reqd. no. of ways = 6! × 7!
More Permutation and combination Questions
- Find the wrong number in the given number series.
17, 28, 21, 32, 25, 45 120, 240, 80, 320, 60, 384
15, 30, 30, 20, 10, 8
121, 240, 386, 555, 751, 976
225, 45, 450, 90, 900, 150, 1800
360, 322, 286, 248, 220, 190
Find the Wrong number in the given number series.
3, 6, 2, 8, 2.4, 9.6
21, 23, 27, 35, 51, 87Â
12, 3.6, 18, 0.72, 0.432, 0.3024
39, 43, 59, 95, 159, 281
Relevant for Exams:
