exam Maths Puzzle Numerical Ability

It took three hours to row a boat 18 km against the current. The return trip with the current took 1 1/2 hours. Find the speed of the rowboat in still water.

Read Solution (Total 0)

exam Other Question

an engineer is required to report at station B every morning. at afixed time. when he left station A at 8:00 A.M and walked at 1.8 kph, he arrived at B, 5 minutes late. how far in km station B from station A? what is his appointment time at B. O.k the problems are:(-7)to the power of 5 times (-7) times the power of -2. It said on the worksheet to wite the product without exponents. How can you solve it?