The correct option is B 4
Given mathematical expression,
3×52÷15−(5−22)
Solving the expression within the parentheses, we have:
= 3×52÷15−(5−4)
= 3×52÷15−1
The expression contains both multiplication and division operations.
∴ According to PEMDAS, operations of multiplication and division to be solved from the left.
= 3×25÷15 - 1
= 75÷15 - 1
= 5−1
= 4