self Maths Puzzle General Ability General Knowledge

Four letters are to be placed in four addressed envelopes. If the letters are placed at random into the envelopes, find out the following probabilities.

The probability that none of the letters are placed in the right envelopes is:

a) 1/24

b) 3/8

c) 23/24

d) 13/24

e) None of the above

Read Solution (Total 4)

self Other Question

. We all know that Arya bhatta is the greatest mathematics belongs to india . When his daughter Mayabati was in her teen age he discovered a problem. At that time the age of mayabati is a prime number,let that age is a. After some years her age becomes b. then Arya Bhatta was able to solve that problem wit the help of he daughter mayabati. If a-b=5 & product of a& b is 26 then what is the sum of two squares? 276+587=905then
190+543=.............