What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and - SSC STUDY

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘ $\times\$ and $\div\$ ’ are interchanged?
$4515 \times 5 - 431\div 3 + 821 = ?$

Options
a) 1335
b) 1775
c) 1575
d) 1375

Solution

$4515 \times 5 - 431\div 3 + 821 = ?$
change symbol
$4515 \div 5 + 431\times 3 - 821 = ?$
903 + 1293 – 821
903 + 472
1375

Correct Answer : d) 1375