I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Can you Find and name the hidden bird in the picture below ?

What work can one never finish?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

In a certain country ½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10?

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 ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.