Question 156
Sanchay put a 1 cm stick of gum through a (1×3−2) machine. How long was the stick when it came out ?
If sanchay put a 1 cm stick of gum through a (1×3−2) machine.
Negation (-) sign in power shrews if is a shrinking machine. So, 1×132=1×19=19cmHence, 19 cm stick came out.