Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What does an Island and the letter T have in common?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?