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
35 36 68 207 836 4205
...41 28 ? 15 67 2
1 9 64 255 755 1835
...1240 600 ? 140 90 25
...5, 14, 41, 122, 365, 1094, ?
217Â Â Â Â Â 267Â Â Â Â Â 304Â Â Â Â Â 330Â Â Â Â Â Â 348Â Â Â Â Â 357
...In each of the following questions, a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to com...
64Â Â Â Â Â Â 96Â Â Â Â Â Â Â 48Â Â Â Â Â Â 72Â Â Â Â Â Â 36Â Â Â Â Â Â ?
...21, 63, 315, ?, 19845, 218295
5 ? 205 823 7405 29623
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