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8641.What is the wavelength of a sound wave with a frequency of 440 Hz if the speed of sound in air is 340 m/s?
8642.A shopkeeper sold an article for Rs 540 at some profit .Had he sold it for Rs 470, then there would have a loss equal to one-sixth of the initial profit.what was the cost price (in Rs) of the article?
8643.If the volumes of two cubes are in the ratio 8:1, then the ratio of their edges is
8644.The sum or two numbers is 37 and the difference of thier squares is 185, the difference of the two numbers is
8645.Arrange in sequence? 1:put 2: measure 3: mark 4:cut 5: Taliour