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Question

The ratio of 225m to 5km is:


A

9:200

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B

3:500

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C

4:300

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D

7:100

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Solution

The correct option is A

9:200


If pand qare two quantities, then the ratio of p to q is pq and is denoted as p:q where the terms ( p and q) are in the same unit and do not have any common factors other than 1.

Here, the terms 225m and 5km are not in same unit.

So, lets convert 5km in m :

1km=1000m5km=5×1000m5km=5000m

Therefore, p:q=225m:5000m

Now let's simplify the ratio:

The highest common factor (H.C.F) of 225 and 5000 is 25.

On dividing both the terms by 25, we get:

225÷255000÷25=9200

Hence, the ratio of 225m to 5km is 9:200.


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