27. A road roller takes 750 complete
revolutions to move once over to
level a road. Find the area of the road
if the diameter of a road roller is 84
cm and length is 1 m.
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Answer:
= 750* area covered in 1 revolution
= 750* lateral surface area of cylinder
= 750* 2nhr
= 750* 2* 22 by 7 * 42 by 100*1
= 750* 2 * 22 * 6 by 100 * 1
= 1500* 132 by 100
= 15* 32
= 1980
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Answer:
there are 2 bearing plant a and b . most of their insect pollinator goes to plant a . discuss the possible reason for that
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