Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What do you see in the given picture?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

A man dies of old age on his 25 birthday. How is this possible?

Replace the question mark with the correct number in below Picture:

The more of this there is, the less you see. What is it?