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Standard VI

Mathematics

Word Problems

Two poles of ...

Question

Two poles of different heights are standing vertically on a horizontal field. At a particular time, the ratio between the lengths of their shadows is $2 : 3$ . If the height of the smaller pole is $7.5$ , find the height of the other pole.

11.25

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12.25

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12.65

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15.45

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Solution

The correct option is A $11.25$ m
The proportion is $2 : 3 :: 7.5 : ?$

So , $? = \frac{7.5 \times 3}{2} = 11.25$

So, the length of the longer pole is $11.25$ m

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Two poles of different heights are standing vertically on a horizontal field. At a particular time, the ratio between the lengths of their shadows is 2:3. If the height of the smaller pole is 7.5, find the height of the other pole.

The correct option is A 11.25 mThe proportion is 2:3::7.5:?So , ?=7.5×32=11.25So, the length of the longer pole is 11.25 m

Two poles of different heights are standing vertically on a horizontal field. At a particular time, the ratio between the lengths of their shadows is $2 : 3$ . If the height of the smaller pole is $7.5$ , find the height of the other pole.

The correct option is A $11.25$ m
The proportion is $2 : 3 :: 7.5 : ?$

So , $? = \frac{7.5 \times 3}{2} = 11.25$

So, the length of the longer pole is $11.25$ m