1. 

Select the correct combination of mathematical signs to replace '★' signs and to balance the given equation.

24 ★ 34 ★ 2 ★ 5 ★ 12

A. + ÷ x =
B. = ÷ + -
C. = ÷ - +
D. + ÷ = x

Answer: Option C

Explanation:

From option (C), we have

24 = 34 ÷ 2 - 5 + 12

24 = 17 -5 + 12

24 = 29 - 5

24 = 24