Question
Geography books are always
together. In how many ways 5 History books and 7 geography books can be arranged in a row so that :Solution
Reqd. no. of ways = 6! X 7!
More Permutation and combination Questions
- What will come in place of (?) in the given number series.
729, 243, 81, 27, ?, 3 16, 16, 32, 96, ?, 1920
- What will come in place of the question mark (?) in the following series?
5, 15, 35, 75, 155, ? 97, 75, 108, 64, ?, 53
18, 30, 46, 66, 90, ?
2, 6, ?, 20, 30, 42
Find the missing number in the given number series.
2, 5, 11, 23, 47, ?12, 13, 27, 82, 329, ?
24, 168, 28, 140, 35, ?Â
Find the missing number, in the given number series.
42, 52, 72, 112, 192, ?
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