Question

do 5th problem please

Answer 1

a circular grassy plot of land of diameter 42m has a path of wide 3.5 m running around it on the outside.find the cost of gravelling the path at 4rupees per square metre.

Answer 2

Answer:

Cost of 50 pencils  = Rs 75.

No of pencils be x @ Rs . 150 are

5075

x150

x=28150×50=100

 x = 100 pencils.