CTET Class I to V 2015 Feb Paper

Question : 90 of 150

Marks: +1, -0

On a state map, at its one corner it is mentioned “Scale 1 cm = 110 meters”. If on the map the measured distance between any two cities is 9.7 cm, the actual distance between the two cities is approximately.

1.067 km
2.01 km
11 km
10 km

Validate

Solution:

Centimeters is one-hundreth of a meter. a kilometer is a meter times a thousand. A millimeter is one-thousandth of a meter.
To convert cm into km, take cm and divide it by 100 to find meters, and then divide by 1000 to find kilometers.

100 {cm}=1 {m}

1,000 {m}=1 {km}

1 {km}=1,000 × 100 {cm}

1 {km}=10,0000 {cm}

Given,

1 {cm}=110

metres

9.7 {cm}=1067

metres

∴ 1067

metres

=1.067 {km}

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