Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

When can we add 2 to 11 and get 1 as the correct answer?

What has 88 keys?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Replace the question mark in the picture below.

What can you deduce from the following BrainBat?

CRY
LMKI

What is more useful when it is broken?

The centre of the third figure is empty. What digit should fit inside?