Question

Solve

(20) A basket of apples
was sold for Rs 340 . There was a profit of Rs 80.Find the cost price.

(21) A calculator was bought for Rs 195 and sold for Rs 130.
Calculate the loss.

(22) Find the area of a room of length 12m
and breadth 9m.

(23) Find the volume of a cuboid of dimensions 10 cm,8 cm, 4cm.
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please write the steps

Answer 1

Answer:

for 20 number

profit=sp-cp

80=350-cp

cp=rs.270

for 21 number

loss=cp-sp

=195-130

=rs.65

for 22 number

area=l×b

=12×9

108cm square

for 23 number

volume=l×b×h

=10×8×4

=320cm cube

I hope this will help you