Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

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?

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

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

What is the largest number you can write with just 3 digits?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

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

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?