How can one talk without saying a single word?

Why do Chinese men eat more rice than Japanese men do ?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

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?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

I have teeth but i don't bite. Who Am I ?

People make me, save me, change me, raise me. What am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Can you spot the man between the coffee bean in the picture below ?