Class 10 Important Question for math and Science

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 Date- 14 September 2020 

1. The diameters of front and rear wheels of a tractor are 80 cm and 2 m respectively. Find the number of revolutions that rear wheel will make in covering a distance in which the front wheel makes 1400 revolutions. 





2. The angles of a triangle are in AP. The greatest angle is twice the least. Find all the angles of the triangle.










3. Given that α + β = 90°, show that






4. Why do we store silver chloride in dark coloured bottles?








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