What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

If your uncle’s sister is not your aunt, what relation is she to you?

Find the next number in the following series:
6, 14, 26, 98, __?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Buy me, smell me or deliver me, I do not change.

Who am I?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?