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3 + 3 x 3 – 3 + 3 =? What is the right answer and how?
A. 18
B. 12
C. 03
D. 06
ANS) The correct answer is (B) 12
The solution to the above equation can be done by using the BODMAS rule. By applying the rule of BODMAS, if the mentioned equation contains a bracket (), {}, [], firstly we have to solve the part of the equation which contains a bracket, then we have to look if the equation contains “of” and solve that portion then division, then multiplication, then addition and lastly subtraction. The equation must be solved in exactly this sequence in order to get the correct result.
Now let’s solve the equation:
Equation: 3 + 3 x 3 – 3 + 3
As there is no bracket and “of” in the equation, according to the sequence we have to first solve multiplication
3 x 3 = 9
Therefore, the equation turns into
3 + 9 – 3 + 3
Then according to the sequence, we have to solve addition
3 + 9 = 12
The equation turns into
12 – 3 + 3
Again addition
12 + 3 = 15
The equation turns into
15 – 3
And lastly subtraction
15 – 3 = 12
Therefore, the answer is 12
