There are different methods for addition and subtraction. You may have used column addition and subtraction before but sometimes you can solve additions and subtractions using a mental method.
This article provides Simplification Questions for the SBI Clerk Exam, designed to enhance your problem-solving skills.
From left to right, start with division and multiplication and continue with addition and subtraction. Don't forget, if a calculation has division and multiplication in it, do them left to right.