self Maths Puzzle

Q. How many way word PERMUTATIONS is arranged such that there r4 letter between a P & S.

Read Solution (Total 1)

words with 2 t = 6!(8c2*4!/2!)
words with 1 t= 6!(8c3*4!)
words with 0 t= 6!/2!(8c4 *4!)
total= 157248
10 years agoHelpfull: Yes(1) No(1)

self Other Question

Q. A fire 2 bullet from same place at interval of 6 mint another man sitting in car approaching towards fire 2nd fire after 5 mint 32sec. What is speed of car if sound speed 332m/s Q. How many way ALLAHABAD can b arranged taking 4 letter at a time. Meaningless also allowed.