Rajshahi Krishi Unnayan Bank
Officer written math 2016
1. In a partnership, A invests 1/6 of the capital for 1/6 of the time, B invests 1/3 of the capital for 1/3 of the time and C invests the rest of the capital for the whole time. Out of a profit of TK. 4,600, find the share of B.
2. A can do a piece of work in 10 days, while B alone can do it in 15 days. They worked together for 5 days and rest of the work is done by C in 2 days. If they get TK. 450 for the whole work, how should they divide the money?
3. The speed of a boat in still water is 10 km per hour. If it can travel 24 km downstream and 14 km in the upstream in equal time, indicate the speed of the flow of stream.
4. A company whose annual sales are currently Tk. 5,00,000 has been experiencing sales increase of 20% per year. Assuming this rate of growth continues, what will the annual sales be in five years?