1 1 vote
The old concert hall was demolished because of fears that the foundation would be affected by the construction of the new metro line in the area. Modern technology for un...
7 7 votes
Read the following table giving sales data of five types of batteries for years $2006$ to $2012$:$$\begin{array}{|l|l|l|l|l|l|} \hline \text{Year} & \text{Type I} & \tex...
1 1 vote
Tower A is $90$ m tall and tower B is $140$ m tall. They are 100 m apart. A horizontal skywalk connects the floors at $70$ m in both the towers. If a taut rope connects t...