Tuesday, 30 October 2012

mathematics

when 24 is subtracted from a number ,it reduces to its four-seventh. wht is the sum of digits of that number is 11


The population of a city is 5, 13,200. If it increases at the rate of 12% per annum. What will be its population after 3 years? – 7,21,009




Lower and upper limits of a class are 10 and 40 respectively, the mid-point of the class is 25.0

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