TCS Company Numerical Ability Permutation and Combination

in how many ways can letters of the english alphabet be arranged so that there are 7 letters between A and B, no letter being repeated.
1) 24P7 * 2 * 18!
2) 36 * 24!
3) 24P7 * 2 * 20!
4) 18 * 24!

Read Solution (Total 6)

TCS Other Question

a car travelling with 5/7th of actual speed covers 42km in 1hr40min48sec.find the speed of the car. two vertical poles 2m and 8m high stand apart on a horizontal plane. The height in meters of the point of intersection of the lines joining the top of each pole to the bottom of other pole is:
1) 1.8
2) cant be determined
3) 1.6
4) 5.6