Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What has 13 hearts but no other organs?

Can you name an animal whose killing cannot be performed without spilling your own blood?

My location can be determined by the below rebus.
So where am i ?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

A father's child, a mother's child, yet no one's son.

Who am I?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?