There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

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

What's the only room from which no one can enter or leave

What is next number in the pattern below:

131 517 192 123 ?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?

Why Aeroplane windows are round?