Can you find the odd number in the following?

2716, 4135, 5321 and 7145

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Why is Saturday stronger than Monday?

The more of this there is, the less you see. What is it?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Spot 5 differences in two Christmas tree below:

Can you count the number of lines in the below picture?

I am quite hot but become too cold if you remove the first two letters. What am I?