There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Count the number of balls in picture below:

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?