John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

John is now two fifth of his older brother's age and two years from now he will be half of his older brother's age.
Two years ago, John was only one-fourth the age of his older brother age at that time.

How old is John now?

If you can spot the hidden clock quickly, you are often those with high IQs and exceptionally keen observation skills. You excel in noticing the finest details that others might miss and can process visual information at lightning speed.

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Can you quickly find which two matchstick figures are identical?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?