How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

O_er_t_o_

Complete the missing letters of the given word.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What is common among 11, 69, and 88?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Which letter of the alphabet has the most water?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Prove that twice of ten is the same as twice of eleven.

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

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