Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

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?

What part of the chicken has the most feathers?

Keyboard words are not in alphabetical order, Why?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

John was piloting a plane behind a car but was never able to overtake it. Why?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?