What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Our product and our sum always give the same answer. Who are we?

How many triangles are there on the puzzle below?

I am an odd number. Take away a letter and I become even. What number am I?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?

I throw two dice simultaneously.

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

What does this mathematical rebus means ?

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

If 21x = 79x, what is the value of x?