Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

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?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?