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 ?

What is so fragile that saying its name breaks it?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

In the given picture, in how many ways can you read the word "Tiger"?

There is a place where if I stand up straight, I will still be considered sideways.

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

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?

The centre of the third figure is empty. What digit should fit inside?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?