Question

Which of the following values is NOT equal to 11(7-1)? Choose one
(A) (6+5)6
(B) 6 x 7 + 8 x 3
(C) 1084 - 1018
(D) 3 x 22
(E) 5 + 1(22-10)

Answer 1

11(7-1)

Mutiply the bracket by 11. (11)(7)(11)(-1)

= 77-11= 66

Answer : (E) 5 + 1(22-10)

Mutiply the bracket by 1. (1)(22)(-1)(-10)

5+22-10=27-10= 17