Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Find the last number in the series below:

voN luJ yaM raM ---

Can you find the six hidden animals in the picture below?

Name a key which is hardest to turn.

Replace the question mark with the correct number in below Picture:

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?