If + means -, ÷ means +, - means x, and x means ÷ then, what is 35 ÷ 7 - 5 + 20 ?
Show answer & explanation
Correct answer: C
Explanation
After substitution according to the question:
35 + 7 x 5 - 20
Solve according to the ‘BODMAS rule’,
35 + 7 x 5 - 20
= 35 + 35 - 20
= 70 - 20
= 50
Hence, the correct answer is option 3.