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Q1
perimeter of the wheel=2π×28=2×22×28/7=176
Number of times=35200/177=200
Q2
In 1 hr mt hand makes a complete circle of radius 15 cm
So total distance covered= 2πr
=2×22×15/7
Q4
{10×10-(3×2)}×2.50=94×2.50
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