What will come in the place of ‘?’ in the following equation

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘$\times$’ and ‘$\div$’ are interchanged?

यदि निम्नलिखित समीकरण में ‘+’ और ‘-‘ को परस्पर बदल दिया जाए और ‘$\times$’ और ‘$\div$’को परस्पर बदल दिया जाए, तो ? के स्थान पर कितना मान आएगा?

$5 – 4 \div 9 + 80\times 10 =?$

30 35 33 31

Detailed Solution & Logic

Correct Answer:

$ 5 - 4 \div 9 + 80\times 10 =? $
+ = -
$ \times = \div $
solution
$ 5 + 4 \times 9 - 80 \div 10 =? $
= 5 + 36 - 8
=41- 8
Answer = 33