NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 13. Direct and Inverse Proportions

Subject: Maths - Class 8th

Q. No. 6 of Exercises 13.1

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In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model ship?

Let the length of the mast of modal ship be x when the length of the actual ship be 28 cm

The given information in the form of table is as follows:

Height of ship

Length of ship

Modal ship



Actual ship



The above information is in direct information:

9/12 = x/28

x = 21 cm


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