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If ' + ' means '– ', '– ' means '×'. '×' means '÷', '÷' means '+'+, what will come in place of the question mark (?) in the following equation?​3
Question

If ' + ' means '– ', '– ' means '×'. '×' means '÷', '÷' means '+', what will come in place of the question mark (?) in the following equation?
38÷10×57+10×2=?38÷10×5-7+10×2=?​​

A.

50

B.

45

C.

47

D.

48

Correct option is C

Given: 38÷10×57+10×2=?38÷10×5-7+10×2=?
​If ' + ' means '– ', '– ' means 'means '×'. '×' means '÷', '÷' means '+', 
Then, Modified equation will become:
38+10÷5×7-10÷2
38+2×7-5
38+14-5
52-5
47
Thus, Option C is the correct answer.

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