Out of four images which one is the odd one out?

You need to arrange three 7 and mathematical symbols to form number 1?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Why are all black people so quick ?

What number divided by 4 is the same as that number minus 4?

why number 8549176320 is one of a kind?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?