Question

(NCERT)
is. A table cover of dimensions 3.5 m by 25 m is spread on a table. If25 cm of the
table cover, is hanging all around the table, find the area of the table cover, which
is hanging outside the top of the table. Find the cost of polishing the tabletop at
20 per square metre.​

Answer 1

Answer:

The area of table cover hanging=

(3.5×0.25)×2 + (25×0.25)×2

=2×0.25(3.5+25)

=0.5(28.5)

=14.25 sq metres

Cost = 20×14.25

=285