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Aptitude - Area - Discussion

Discussion Forum : Area - Data Sufficiency 1 (Q.No. 3)
Area
Directions to Solve

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

  • Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  • Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  • Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
  • Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
  • Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
3.

What is the height of the triangle?

I. 

The area of the triangle is 20 times its base.

 II. 

The perimeter of the triangle is equal to the perimeter of a square of side 10 cm.

I alone sufficient while II alone not sufficient to answer
II alone sufficient while I alone not sufficient to answer
Either I or II alone sufficient to answer
Both I and II are not sufficient to answer
Both I and II are necessary to answer
Answer: Option
Explanation:

 I. A = 20 x B         1 x B x H = 20 x B         H = 40.
2

I alone gives the answer.

II gives, perimeter of the triangle = 40 cm.

This does not give the height of the triangle.

Correct answer is (A).

Discussion:
9 comments Page 1 of 1.
Zamir Ahmed said:   2 years ago
The perimeter of the Triangle and the perimeter of the square will not be equal.

Perimeter increases by sides so Square has a four sides while a triangle has three sides.
Abhishek said:   8 years ago
Unit of area and base doesn't match how can you relate both by saying one is 20 times the other?
Naveen said:   7 years ago
It's not mentioned in the question that it's a right-angled triangle. Then how it should be?
(1)
Arun said:   1 decade ago
Here nature of triangle is not given. So how we say option A is always right.
PRANAY said:   9 years ago
Nowhere it is mentioned that the triangle is a right-angled triangle.
Navya said:   1 decade ago
Formula for perimeter of the triangle.
Irfan said:   8 years ago
First specify the nature of triangle.
Hari said:   1 decade ago
Perimeter of triangle (p) = a+b+c.
Hari said:   1 decade ago
p=a+b+c.
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