Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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

What is next number in the pattern below:

131 517 192 123 ?

How many triangles are there on the puzzle below?

Using Only Five 5's and any mathematical operator make sum as 37

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.