UNIQ

Q: An aeroplane files along the four sides of a square at the speeds of 200,400,600 and 800km/hr.Find the average speed of the plane around the field?

Ans: ?

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Q: A book was sold for rs 27.50 with a profit of 10%. if it were sold for rs25.75, then what would be % of profit or loss?

Ans: ?

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Q: If the a radio is sold for rs 490 and sold for rs 465.50.find loss% ?

Ans: ?

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