I throw two dice simultaneously.

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

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

You need to arrange three 7 and mathematical symbols to form number 1?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?