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
38% of 18/225 of 31/19 of 15225 =?
97, 106, ?, 195, 411, 460
21, 37, 73, 137, ?, 381
What will come in place of the question mark (?) in the following series?
4.5, 8, 15, 29, ?, 113
204, ?, 120, 83, 52, 23
18   29   16   31   ?   33
7 7 28 252 ?
...66, 17, 81, ?, 100, -21Â
- What will come in place of the question mark (?) in the following series?
32, 45, ?, 137, 216, 317 What will come in place of the question mark (?) in the following series?
21, 36, 66, 126, ?, 486
Relevant for Exams:
