SBI Clerk Exam 10 Jul 2021 Shift 1 Solved Paper

Question : 52 of 100

Marks: +1, -0

A invested Rs. 4500 in a business and after some time B also joined him and invested Rs. 4800. At the end of year B received Rs. 4400 profit out of Rs. 9900. After how much time did B join the business?