Which two sings should be interchanged to make the following equation correct?

Option
a) ÷ and −
b) – and  +
c) – and ×
d)  + and ×

Solution :

Check one by one
(a) interchange and –
: Not correct
(b) – and +
: Not correct
(c) – and ×

414 – 65 + 28 = 377 : Correct

Correct Answer: c) – and ×