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
98, 89, 114, 50, 194, ?
What will come in place of the question mark (?) in the following series?
555, 430, ?, -320, -1320, -3320Â
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
204, 401, 640, ?, 1105, 1406
What will come in place of the question mark (?) in the following series?
100, 729, 64, 343, 36, ?
What will come in place of the question mark (?) in the following series?
18, 25, 36, 49, 66, ?
124, 180, 108, 198, ?, 220
101, 103, 107, 109, 113, ?
Find the missing number in the given number series.
2, 5, 16, 65, 326, ?16Â Â Â 25Â Â Â 36Â Â Â 49Â Â Â 64Â Â Â Â ?
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