exam Exam Logical Reasoning Decision Making and Problem Solving

Four years ago, the average age of A and B was 18 years. At present the average age of A, Ba nd C is
24 years. What would be the age of C after 8 years?

Read Solution (Total 3)

exam Other Question

Two children are trying to cross a stream. They want to use a log that goes from one bank to the other. If the left bank is 9 feet higher than the right bank and the stream is 12 feet wide, how long must a log be to just barely reach?
My mind has gone blank....any help is greatly appreciated:

A boat has a speed of 5 mph in still water. The boat can travel 21 miles with the current in the same time in which it can travel 9 miles against the current. Find the rate of the current.