MBA Exam

eight identical coins are arranged in a row.the total number of ways in which the number of heads is equal to the number of tails is

1) 35
2) 15
3) 140
4) 70

Read Solution (Total 1)

8!/4!*4!=70
9 years agoHelpfull: Yes(0) No(1)

MBA Other Question

a cargo truck missed a goods train.the train leaves 25 seconds before the truck reaches the station.the train travels at 10 m/s while the maximum speed at which the truck can travel is 12 m/s.the next station is 10 km away.approximately what is the longest period for which the truck can wait for the train at the next station?

1) 150 m/s
2) 142 m/s
3) 145 m/s
4) 152 m/s
A student was able to score a total of 600 in 12 section tests. He scored 80% of his average score per test in four of the tests. If he did not score more than 59 in any of the test, what is the minimum number of tests in which, he should have scored more than 50?

1) 8
2) 7
3) 5
4) 6