L&T Company Numerical Ability Permutation and Combination

In how many different ways can 4 boys and 3 girls be arranged in a row such that all the boys stand together and all the girls stand together ?
(1) 75
(2) 576
(3) 288
(4) 24
(5) None of these

Read Solution (Total 3)

L&T Other Question

At present Geeta is eight times her daughter’s age. Eight years from now, the ratio of the ages of Geeta and her daughter will be 10 : 3 respectively. What is Geeta’s present age ?
(1) 32 years
(2) 40 years
(3) 36 years
(4) Can’t say
(5) None of these
A passenger train takes two hours less for a journey of 300km if its speed is increased by 5km/hr from its normal speed. The normal speed is:
A.35 km/hr
B.50 km/hr
C.25 km/hr
D.30 km/hr
E. 37Km/hr