MBA Exam Numerical Ability Time and Work

eleven books, consisting of 5 engineering books, 4 mathematics & 2 physics books are arranged in a shelf at random. probability that the books of each kind are all together ?explain plz

1) 5/1155
2) 2/1155
3) 3/1155
4) 1/1155

Read Solution (Total 1)

ans:4
(5!*4!*2!)(3!)/11! so answer is 1/1155
6 years agoHelpfull: Yes(0) No(0)

MBA Other Question

A bag contains 2 red, 3 green, 4 blue and 5 white balls. Two balls are drawn at random from the bag without replacement. X is defined as the event that at least one of the two balls drawn is white and Y is defined as the event that none of the two balls drawn is white. Then,A)P(X) = P(Y)B)P(X) < P(Y)C)P(X) > P(Y)D)P(X) = 1.5 Ã— P(Y)

1) 1
2) 2
3) 3
4) 4
A cylindrical tube is 3 m long. Its inner diameter is 3.5 cm and outer
diameter 4.0 cm. Find its weight in kg, if the metal weights 8 tonnes per cubic
metre.?

1) 7
2) 8
3) 9
4) 10