A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Can you find the six hidden animals in the picture below?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

You bought me for dinner but never eat me. What am I?

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

What do you think with the below Picture ?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

What can you hold in your right hand, but never in your left hand?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?