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If the four regions shown in the graph above are the only regions in Town $T$ , the total of which two regions’ account for exactly $70 %$ of all cable television subscribers in Town $T$ ?

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Regions

M

and

N

Regions

M

and

O

Regions

N

and

O

Regions

N

and

P

answer is A.

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Detailed Solution

Given is a graph which shows cable town subscribers in a region.
Question Image

According to the graph, the number of subscribers in region

M

3000

.
The number of subscribers in region

N

4000

.
The number of subscribers in region

O

1000

.
The number of subscribers in region

P

2000

.
We can see that number of subscribers in combined region of regions

M

and

N

3000 + 4000 = 7000

.
We can see that number of subscribers in combined region of regions

M

N

O

P

3000 + 4000 + 1000 + 2000 = 10000

.
Therefore, Region

M +

Region

N

subscribers

= \frac{7000}{10000} \times 100

\Rightarrow

Region

M +

Region

N

subscribers

= 70 %

So, region M and N has

70 %

of subscribers.
Hence, the correct option is 1.

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If the four regions shown in the graph above are the only regions in Town T, the total of which two regions’ account for exactly 70% of all cable television subscribers in Town T?

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If the four regions shown in the graph above are the only regions in Town $T$ , the total of which two regions’ account for exactly $70 %$ of all cable television subscribers in Town $T$ ?