The base of a parallelogram is twice its height. If the area is 392 sq.m, What is its the height?

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RRB ALP CBT I 29 Aug 2018 Shift 2 Official Paper
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  1. 12 m
  2. 24 m
  3. 14 m
  4. 28 m

Answer (Detailed Solution Below)

Option 3 : 14 m
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Detailed Solution

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Given:

The base of a parallelogram is twice its height.

Area = 392 sq.m

Concept used:

Area = b × h

Where “b” is the base and “h” is the height of the parallelogram.

Calculation:

Let the height of the parallelogram be x,

So, its base = 2x

According to the question,

x × 2x = 392

⇒ 2x2 = 392

⇒ x2 = 196

⇒ x = 14 m

So, Height = 14 m

∴ The height is 14 m.

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