My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

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?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Can you find the six hidden animals in the picture below?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Solve the equation in the image by looking at the pattern closely.

What is the below Rebus indicate?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Who can jump higher than a Mountain?