If '+' represents multiplication, '-' represents addition, '×' represents subtraction, and '÷' represents division, what is the result of 4 ÷ 2 + 3 × 5?

B. 20

If 'SCHOOL' is represented as 'TDIIPM', what is the representation for 'TEACH'?

A. UFBJH

In the sequence 5, 10, 15, 20, 25, how many numbers are less than 20?

B. 3

If A=1, B=2, C=3, and so on, what is the code for the word 'CAT'?

A. 312

Find the odd one out in the series: A, C, E, G, I, K, M

D. M