Which two signs should be interchanged to make the given equation correct?
551 ÷ 19 - 16 × 12 + 121 = 100
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. + and -.
551 ÷ 19 - 16 × 12 + 121 = 100
Option 3: + and -
(551 ÷ 19) + 16 × 12 - 121 = 100
29 + (16 × 12) - 121 = 100
(29 + 192) - 121 = 100
221 - 121 = 100
100 = 100