If the letter 'E' is coded as 5, what would be the code for the word 'HELLO'?

A. 8-5-12-12-15

In a code, 'FISH' is represented as '6-9-19-8'. What is the code for 'BIRD'?

A. 2-9-18-4

If the word 'BAT' is coded as '2-1-20', what would be the code for 'RAT'?

A. 18-1-20

What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Which of the following is a factor of the polynomial x^2 - 5x + 6?

A. X - 2