TCS Company Numerical Ability LCM and HCF

There are two box,one containing 39 red balls and the other containing 26 green balls. You are allowed to move the balls between the boxes so that when you choose a box at random and a ball at random from the chosen box, the probability of getting a red ball is maximized. This maximum probability is
.60
.50
.80
.30

Read Solution (Total 4)

TCS Other Question

45 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true?
A. All the suspects are lying.
B. The leftmost suspect is guilty.
C. The rightmost suspect is guilty.

1) A only
2) A and C
3) B only
4) A and B
A person run from A to B.He took 1/4 of the time less to reach B when compare to run at normal Speed.Then how many percentage he has increased his speed?