What has no start, end, or centre?

Find out the number of circles in the given picture having Illusion

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

If 21x = 79x, what is the value of x?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Out of four images which one is the odd one out?