Instructions

The pie chart shows the share of tiger population six Wild life sanctuaries (A, B, C, E, E, F) of a country. Study the diagram and answer the following questions.

Question 100

If the total tiger population in these six sanctuaries had grown by 20% and 25% in the previous two decades, then what was the total tiger population in these six sanctuaries before 20 years?

Solution

Let X be the no.of tigers before 20yrs,

then there is increase of 20% & 25% over last two decades

$$\Rightarrow (\frac{100+20}{100})(\frac{100+25}{100})(X) = 90$$

$$\Rightarrow (\frac{120}{100})(\frac{125}{100})(X) = 90$$

$$\Rightarrow X = 60$$

So the answer is option C.

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2017 SSC CGL 21 Aug Shift-2

If the total tiger population in these six sanctuaries had grown by 20% and 25% in the previous two decades, then what was the total tiger population in these six sanctuaries before 20 years?

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