Which alphabet is a part of our body?

Find the last number in the series below:

voN luJ yaM raM ---

What kind of tree can you carry in your hand?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What has hands, but can’t clap?

Move three sticks of the spiral below to form a square.