5. Two marks exercise problems IV

1. During a drought, the water level in a dam fell \(3\) inches per week for \(6\) consecutive weeks. What was the change in the water level in the dam at the end of this period?

 

Change in the water level \(=\) decreaseincrease  inches

 

 

2. Budda was born in \(563\) BC (BCE) and died in \(483\) BC (BCE). Was he alive in \(500\) BC (BCE)? and find his life time. (Source: Compton's Encylopedia)