The number of ways in which 7 boys and 8 girls can be seated in a row so that they are alternate

The number of ways in which 7 boys and 8 girls can be seated in a row

1.	The number of ways in which 7 boys and 8 girls can be seated in a row so that they are alternate
A.	203121800
B.	29030400
C.	3628800
D.	203212800
Answer» E.

Discussion

No Comment Found

Related MCQs

A bath tub can be filled by a cold water pipe in 20 minutes and by a hot water pipe in 30 minutes. A person leaves the bathroom after turning on both pipes simultaneously and returns at the moment when the bath tub should be full. Finding however, that the waste pipe has been open, he now closes it. In 3 minutes more the bath tub is full. In what time would the waste pipe empty it?
From the top of a cliff 25 m high, the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. Find the height of the tower.
A garden is 24 m long and 14 m wide. There is a path 1 m wide outside the garden along its sides. If the oath is to be constructed with square marble tiles 20 cm × 20 cm, find the number of tiles required to cover the path.
Dharmendar was heard telling someone to go further down the corridor to the last office on the right side. To whose office room was he trying to direct that person?
Who is/are Farmaan's immediate neighbour(s)?
If Elexandar sits in his office facing the corridor, whose office is to his left?
In a queue of children, Kashish is fifth from the left and Mona is sixth from the right. When they interchange their places among themselves, Kashish becomes thirteenth from the left. Then, what will be Mona's position from the right ?
An application was received by inward clerk in the afternoon of a week day. Next day he forwarded it to the table of the senior clerk who was on leave that day. The senior clerk put up the application to the desk officer next day in the evening. The desk officer studied the application and disposed off the matter on the same day i.e., Friday. Which day was the application received by the inward clerk?
Eighty kilograms (kg) of store material is to be transported to a location 10 km away. Any number of couriers can be used to transport the material. The material can be packed in any number of units of 10, 20 or 40 kg. Courier charges are Rs. 10 per hour. Couriers travel at the speed of 10 km/hr if they are not carrying any load, at 5 km/hr if carrying 10 kg, at 2 km/hr if carrying 20 kg and at 1 km/hr if carrying 40 kg, A courier cannot carry more than 40 kg of load. The minimum cost at which 80 kg of store material can be transported to its destination will be
Five persons with names, P, M, U, T and X live separately in any one of the following: a palace, a hut, a fort, a house or a hotel. Each one likes two different colours from among the following: blue, black, red, yellow and green. U likes red and blue. T likes black. The person living in a palace does not like black or blue. P likes blue and red. M likes yellow. X lives in a hotel. M lives in a –

The number of ways in which 7 boys and 8 girls can be seated in a row so that they are alternate

Discussion

No Comment Found

Related MCQs

Reply to Comment