A joint family in a town has a grandmother, five children and two grandchildren. In how many ways can the seating arrangement be made such that the grandchildren occupy both the seats at the end and the grandmother sits with her children on either side of her?

There is a group of nine children, which includes two pairs of siblings (A, B) and (C, D). In how many ways can the nine children be seated in a row, so that A and B do not sit next to each other?

Find the number of ways in which 5 boys and 5 girls can be seated in a row so that(a) No two girls may sit together

Select the correct answerStudy the following information carefully and answer the question given below.Some persons are sitting in a row adjacent to each other facing north direction. Only four persons sit between F and G. C sits seventh to the left of G. Only four persons sit to the left of C. Only four persons sit between sit between C and P. More than two persons sit between F and P. E sits at extreme right end. Q sits third to the left of E. H sits seventh from one of the end but sits to the immediate right of F. Only three persons sit between H are R, who sits to the left of Q. How many persons sit in the row?Options242019Can’t be determined18

In how many ways 4 girls and 6 boys can be seated in a row so that no two girls are together?

There are 3 seats in a row. In how many different ways can 5 boys occupy them?