Find the next number in the sequence

5 12 24 36 ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Why is a river so rich ?

Find the number of squares in the below picture

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

What you cannot hold but it is yours?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.