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

How many triangles are there in the picture below?

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

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What is the word or phrase?

Before Mount Everest was discovered, what was the highest mountain in the world?

What begins with T, ends with T, and has T in it?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

what does this below rebus represent identXQQQQQME

What number do you get when you multiply all of the numbers on a telephone's number pad?