The average of 11 numbers is 45. The average of first 6 is 42 and last 6 is 48. Find the 6th number. a) 44 b) 45 c) 46 d) 47
If ( a:b = 2:3, b:c = 4:5 ), find ( a:c ). a) 6:15 b) 8:15 c) 2:5 d) 4:5 101pdf4ssc -
A man can row 15 km/hr in still water. If the stream speed is 3 km/hr, how much time will he take to go 72 km downstream? a) 3 hrs b) 4 hrs c) 5 hrs d) 6 hrs The average of 11 numbers is 45