### #1 - Which number replace question mark in th

Which number replace question mark in the series?

16 8 40 20 100 50 250 ? 625

16 8 40 20 100 50 250 ? 625

125
Explanation: (alternate series of /2 and &5)
16/2 = 8
8 * 5 = 40
40/2 = 20
20 * 5 = 100
100/2 = 50
50 * 5 = 250
250/2 = 125
125 * 5 = 625

### #2 - Maths QuickFire Riddle

What is the value of √16% ?

40%

Explanation: br>√16%
=√14/√100
=4/10
=40/100=40%

### #3 - Find Error In The Picture

Can you find the error in the picture below?

* Tiger has horns.
* Chess board have the wrong number of squares : 49(7 x 7) instead of 64(8 x 8)
* Sun rising at 1
* Check dogs tails, it is like of cat.
* Fish tank has butterflies
* One sleeve of boy shirt is half while other full.
* Guitar top is like of Sitar
* One window opens inside and another outside.
* Man is picture is wearing just one shoe.

### #4 - Algebra Maths Equation Riddle

Can you solve the below algebraic mathematical equation?

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

(1+9+6+8+3)*(1+9+6+8+3)*(1+9+6+8+3) = 19683

J = 1, O = 9, I = 6, N = 8, T = 3

### #5 - Number One Disappear Riddle

How can you make the number one disappear by adding something to it?

By adding letter "G" to it. One becomes "Gone".

### #6 - Good Equation Riddle

Is it possible to get ten whether you remove one from nine or eleven? How?

It is possible if you write numbers in their roman forms.

11 = XI
If I (1) is removed, it becomes X = 10

9 = IX

If I (1) is removed, it becomes X = 10

### #7 - Cute Humor Riddle

How can you place a magic cube on the floor so that no one can jump over it?

Put the magic cube next to the wall.

### #8 - Who Am I Science Puzzle

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

### #9 - Detective Rockford Murder Puzzle

Detective Rockford was jogging near the beach ar 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard a sound of gunfire. Rockford rushes to shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How ?

Lawyer was the only man there (Michael is name of a man)

### #10 - Name The Animal Riddle

Can you name an animal whose killing cannot be performed without spilling your own blood?

The most common answer can be Mosquito, but you can add any blood sucking insect to the list.