Count the number of lines in the image below ?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

How could a baby fall out of a twenty-story building onto the ground and live?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

What's the best place to go shopping in the ocean?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Solve the rebus riddle in the picture below.

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.