Correct option is A
Given: 3 × 5 + 2 − 1 = 12
Given equation is solve by BODMAS rule.
Now, we check each options.
Option (a): + and ×, 2 and 5
New equation: 3 + 2 × 5 − 1 = 12
3 + 10 − 1 = 12
13 - 1 = 12
12 = 12
Option (b): − and +, 5 and 2
New equation: 3 × 2 - 5 + 1 = 12
6 - 5 + 1 = 12
2 12
Option (c): × and −, 2 and 5
New equation: 3 - 2 + 5 × 1 = 12
3 - 2 + 5 = 12
6 12
Option (d): + and ×, 3 and 2
New equation: 2 + 5 × 3 − 1 = 12
2 + 15 - 1 = 12
17 - 1 = 12
16 12
Thus, correct option is (a).
English
100 Questions
100 Marks
90 Mins
