When we see 2 but call 10?

Prove that the below maths equation is true.

8 + 8 = 91

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

If 21x = 79x, what is the value of x?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Why do we preferably have round manhole covers and not square ones?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?