Friday, June 3, 2016

Bank Preparation 155

13. A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is
a) 2.5 km/hr b) 4.2 km/hr c) 5 km/hr d) 10.5 km/hr e) None of these

14. If the sum of the interior angles of a regular polygon measures upto 1440 degrees, how many
sides does the polygon have?
a) 10 sides b) 8 sides c) 12 sides d) 9 sides e) None of these

15. Number of solutions of the equation tan x + sec x = 2 cos x, lying in the interval [0, 2π] is
a) 0 b) 1 c) 2 d) 3 e) None of these

16. A alone can do a piece of work in 6 days and B alone 8 days. A and B undertook to do it for
Rs.3200. With the help of C, they completed the work in 3 days. How much is to be paid to
a) Rs.375 b) Rs.400 c) Rs.600 d) Rs.800 e) None of these