Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What can you hold in your right hand, but never in your left hand?

Which is faster, Heat or Cold ? Explain.

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

How many triangles can you find in this given picture?

I look at you, you look at me I raise my right, you raise your left. What am I?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?