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

Can you find the number?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What building has the most stories?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10