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Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given expression.101 * 32 * 4 * 5 * 7 *
Question

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given expression.
101 * 32 * 4 * 5 * 7 * 128

A.

–, ×, +, ÷, =

B.

–, ÷, +, ×, =

C.

÷, +, ×, –, =

D.

+, ×, –, ÷, =

Correct option is B

Logic: interchange mathematical operators and solve as per BODMAS rule.
Operation preference wiseSymbolBrackets[],,()Orders,of(power),(root),ofDivision÷Multiplication×Addition+Subtraction\begin{array}{|c|c|} \hline \textbf{Operation preference wise} & \textbf{Symbol} \\\hline Brackets &[],{}, () \\ \hline Orders, of & (power), √ (root) , of \\ \hline Division& ÷ \\ \hline Multiplication & × \\ \hline Addition & + \\ \hline Subtraction & - \\\hline \end{array}​​
Check option A, –, ×, +, ÷, =
Given:
101 * 32 * 4 * 5 * 7 * 128
After interchanging,
101 - 32 × 4 + 5 ÷ 7 = 128
Here, 5 is perfectly not divisible by 7.
So, its not correct option.
Check option B, –, ÷, +, ×, =
Given:
101 * 32 * 4 * 5 * 7 * 128
After interchanging,
101 - 32 ÷ 4 + 5 × 7 = 128
101-8+35=128
128=128
So, its correct option.
Check option C, ÷, +, ×, –, =
Given:
101 * 32 * 4 * 5 * 7 * 128
After interchanging,
101 ÷ 32 + 4 × 5 - 7 = 128
Here, 101 is perfectly not divisible by 32.
So, its not correct option.
Check option D, +, ×, –, ÷, =
Given:
101 * 32 * 4 * 5 * 7 * 128
After interchanging,
101 + 32 × 4 - 5 ÷ 7 = 128
Here, 5 is perfectly not divisible by 7.
So, its not correct option.
Thus, option B is correct.

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