Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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

Why 1729 is a magic number? Answer Logically.

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

How many triangles can you find in this given picture?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?