Can you solve the photo plexer logic ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Who always enjoys poor health?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

What can go up a chimney down, but can’t go down a chimney up?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Can you fill the blank with the correct number?

6 30 870 756030 _____

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Can anyone tell me a word in the English dictionary which has a silent 'z'?