CTS Company Numerical Ability Probability

There r 8 envelops and 8 letters. What is the probability that the
all the letters will be inserted in the correct envelop.

Read Solution (Total 4)

1/8 x 1/7 x 1/6 x 1/5 x 1/4 x 1/3 x 1/2 x 1/1 = 1/8!
8 years agoHelpfull: Yes(4) No(0)

answer(1/8)^8
11 years agoHelpfull: Yes(2) No(0)
36.

(8+7+6+5+4+3+2+1)= 36
13 years agoHelpfull: Yes(0) No(2)
1/8!=1/40320
5 years agoHelpfull: Yes(0) No(0)

CTS Other Question

There r two jars. In the first jar there is 25%Milk and in the
second jar there is 50% milk. What ratio of milk should be added to get 12 lit of milk from the two jars such that we get 62.5% Milk in the whole
mixture.
There r two bridges at a distance of 1Km. A person starts rowing
upstream from 1st bridge and when he reaches the second bridge he losses
his cap. After 15mins he realises it and turns bach and rows downstream
and catches his hat at the bottom of 1st bridge. Find : The speed of
boat in still water