What will come in the place of question (?) mark in following the question:
Correct Answer :
60
Solution :
To find the value that replaces the question mark (?), we can set up the equation and solve it step-by-step using the order of operations.
The given equation is:
Step 1: Simplify the expression inside the parentheses.
First, we find the square root of 225:
Now, substitute this value back into the expression inside the parentheses:
Step 2: Multiply by 3.
Now multiply the result by 3:
Step 3: Solve for the question mark (?).
Substitute 180 back into the main equation:
Subtract 120 from both sides to find the value of ?:
Therefore, the correct option is 60.
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