10 Percent Law

In a city 20 percent of the population travels by car,50 percent travels by bus and 10 percent travels by both car and bus.Then persons travelling by car or bus is

Calculate the mass of potassium sulphate required to prepare its 10 percent (mass percent) solution in 100 g of water.

The ''10 per cent law'' is related to:

What is 10 per cent law ?

Due to 10 percent fall in the pirce of X , its demand rises 100 units to 120 units. How much percentage will its demand fall due to 10 percent rise in its price ?

Who proposed 10 per cent law ?

A fraction is such that if the double of the numerator and the triple of the denominator is changed by +10 percent and -30 percent respectively,then we get 11 percent of (16)/(21) Find the fraction.(2)/(25) b.(3)/(25) c.(4)/(25) d.none of these

Ten percent law of energy transfer in a food chain was enunciated by

“90 percent of the world population lives in about 10 percent of its total land area, whereas remaining 10 percent population resides in the 90 percent of its land area." Support the statement with suitable examples.