Mathematics
The length of a boat is 2.4 m and the length of its model is 16 cm. The scale factor is :
15 : 1
2 : 3
1 : 15
3 : 2
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Answer
Let scale factor be k.
Given,
Length of model = 16 cm
Length of boat = 2.4 m = 2.4 × 100 = 240 cm.
By formula,
⇒ Length of model = Scale factor × Length of boat
Substituting values we get :
⇒ 16 = k × 240
⇒ k = = 1 : 15.
Hence, Option 3 is the correct option.
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