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Q.

Rohit is meters tall. His sister is twice as tall as him. His father is meters taller than his sister. How tall is Rohit’s father?

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a

b

c

d

None of these

answer is B.

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Detailed Solution

Concep- For these kinds of queries, it was necessary to formulate suitable mathematical equations that would fulfill the directives of the inquiry. Only Rohan’s height has been provided in this query; nevertheless, Remit’s sister's height is dependent upon it, as is that of his father; in turn, his sister's height is dependent upon Rohan. Consequently, first determine Remit’s sister's height, which is two
times of Rohan’s height and then his father's height which is

25

meters more than his sister's height.
Given, the height of Rohit is

710

meters.
Rohit's height

= 710 − − − − (i)

Rohit's sibling is twice as tall as Rohit, the query claims. As a result, when we multiply equation I by 2, we obtain Rohit's sister's height as:
Sister

′

height

= 2 × 710

= 75

meters

− − − − (i i)

Now, it has been given that the height of Rohit's father is

25

meters more than his sister's height. So, add

25

to equation (ii) to get the height of Rohit's father.
Then, the height of Rohit's father is given as:
Father's height

= 75 + 25

= 7 + 2 5

= 95 meters − − − − (i v)

So, the height of Rohit's father is

95

meters.
Hence, the correct answer is option 2.

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