I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

People put me on the table and cut me but do not eat me. What am I?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

Find the next number in the sequence

5 12 24 36 ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?