One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

I have feet, but no legs. Which animal Am I?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

What has to be broken before you can use it?

What have one eye but still cannot see?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

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 ?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?