It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

What Adam and Eve do not have but the rest of the people have?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

Find the missing number in the sequence below:

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?