When monkey rotate the gear, which mark will be hit 1 or 2 ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

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

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Can you name an animal whose killing cannot be performed without spilling your own blood?