1. 

If 4 ★ 2 @ 3 = 6, 18 ★ 6 @ 4 = 12, then what will be the value of 24 ★ 3 @ 7 = ?

A. 21
B. 27
C. 72
D. 56

Answer: Option D

Explanation:

Here, sign ★ implies division and sign @ implies multiplication

4 ÷ 2 x 3 = 6, 18 ÷ 6 x 4 = 12

Therefore, 24 ÷ 3 x 7 = 56