Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

What does this mathematical rebus means ?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

I have branches, but no fruit, trunk or leaves. What am I?

Take one out and scratch my head, I am now black but once was red. What am I?

Decode below rebus
D
N
A
T
S , D

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?