Instructions

Study the following graph carefully to answer these questions.
Per cent rise in population of two states from the previous year

Question 159

If the population of state A in 1998 was 67.5 lakhs, what was its population in 1996 ?

Solution

Let the population of State A in 1996 = $$100x$$ lakhs

=> Population in 1997 = $$\frac{125}{100} \times 100x = 125x$$ lakhs

Population in 2008 = $$\frac{135}{100} \times 125x = 168.75x$$ lakhs

Acc to ques,

=> $$168.75x = 67.5$$

=> $$x = 0.4$$

$$\therefore$$ Population of State A in 1996 = 100 * 0.4 = 40 lakhs

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