Question

In a
parts,
In designing
chemical factory two wheels of different radius were connected with a belt. Radius of
the bigger wheel is 21cm and radius of the smaller wheel is 7cm. If the bigger wheel rotates
completely 100 times
, find out the number of times that the smaller wheel rotates.
Mohan is playing with a ring of diameter 14 cm, which is made up of metallic wire. When
his brother asked, Mohan stretched the wire and made it as two equal parts. With those
he made another two small rings. Find the radius of smaller ring.
an iron gril a black smith needed 70 rings with radius of 7cm each. Find how
much length of the rod he required, if the wastage is 20 cm.
Areas of rectangles and squares
Bujji and his father went to buy flooring tiles for their house. They selected a design.
the shopkeeper told that a square foot costs 3125. Bujji's father purchased the tiles. while
uring back Bujji asked his father. What is a square foot?
is measured in feet. The place occupied by a square of side 1 foot
called area of the object. Are
1.2​

Answer 1

Answer:

I don't no this answer I am really sorry