Question

armies please help me to solve this ​

Answer 1

Step-by-step explanation:

Actual breadth =10×10=100cm

Actual length =25×1.0=250cm

Area of table =250×100=25000cm

2

Radius on one hole =

2

0.5

=0.25

Area of fi holes,

=6×πr

2

=6×

7

22

×0.25×0.25

=1.18cm

2

Area of excluding holes,

=2500−1.18=24998.8cm

2

Therefore, cost of polishing

=

10000

24999

×200=Rs.500 I'm An ARMY too