What is full of holes but still holds water?

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 ?

Can you decipher the below rebus?

PBLUESAISNUERSES

How many triangles can you count in the figure given?

What Adam and Eve do not have but the rest of the people have?

What is harder to catch the faster you run?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

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

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.