9. Two marks exercise problems III

1. A lift is on the ground floor. If it goes $5$ floors down and then moves up to $10$ floors from there. Then in which floor will the lift be?

 

The lift is in the $^{\text{th}}$ floor.

 

 

2. When Kala woke up, her body temperature was $102^\circ F$. She took medicine for fever. After $2$ hours it was $2^\circ F$ lower. What was her temperature then?

 

Kala's temperature then $=$ $^\circ F$