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Question

In a map, a distance of 10 km on land is equal to 110 cm. If two places are 512 cm apart on the map, then what is the actual distance between them?



A

211 km

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B

50 km

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C

100 km

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D

550 km

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Solution

The correct option is C

550 km


Let 512 cm represent x km.

Now the problem reduces to 110 cm:10 km::512 cm:x km

i.e., 11010=512x

1100=112x

Thus, x=11×1002 = 550 km


Mathematics

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