Book: NCERT - Mathematics
Chapter: 13. Direct and Inverse Proportions
Subject: Maths - Class 8th
Q. No. 6 of Exercises 13.1
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6
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 | 9 | x |
Actual ship | 12 | 28 |
The above information is in direct information:
9/12 = x/28
→x = 21 cm
6
Chapter Exercises
More Exercise Questions
2
A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of base that need to be added.
Parts of Red Pigment | 1 | 4 | 7 | 12 | 20 |
Parts of base | 8 |