A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Why 1729 is a magic number? Answer Logically.

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

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Which part of London exists in France as well ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

You see me once in June, twice in November, and not at all in May. What am I?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?