If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

Our product and our sum always give the same answer. Who are we?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What does this rebus mean?

O
N
C
E
TIME

What is the difference between a jeweller and a jailer?

How do you go from 98 to 720 using just one letter?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?