Question

If 824=6 , 634=5 , 523=4
so 742=?​

Answer 1

Step-by-step explanation:

8+2-4 = 6

6+3-4 = 5

5+2-4 = 3

therefore 7+4-2 = 9

Answer 2

Answer:

9

Step-by-step explanation:

824 =8 + 2 - 4 = 6

634 = 6 + 3 - 4 = 5

523 = 5 + 2 - 3 = 4

so follow the above pattern

742 = 7 + 4 - 2 = 9