21. Five marks exercise problems XIII

1. Two pipes whose lengths are $7 \ m$ $25 \ cm$ and $8 \ m$ $13 \ cm$ joined by welding and then a small piece $60 \ cm$ is cut from the whole. What is the remaining length of the pipe?

 

Remaining length $=$ $m$ $cm$

 

2. The saplings are planted at a distance of $2 \ m$ $50 \ cm$ in the road of length $5 \ km$ by saravanan. If he has $2560$ saplings, how many saplings will be planted by him? how many saplings are left?