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Aptitude - Simple Interest - Discussion

Discussion Forum : Simple Interest - Data Sufficiency 1 (Q.No. 3)
Simple Interest
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 percentage of simple interest per annum did Anand pay to Deepak?

I. 

Anand borrowed Rs. 8000 from Deepak for four years.

 II. 

Anand returned Rs. 8800 to Deepak at the end of two years and settled the loan.

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:

Let the rate be R% p.a.

I gives, P = Rs. 8000 and T = 4 years.

II gives, S.I. = Rs. (8800 - 8000) = Rs. 800.

R = 100 x S.I. = 100 x 800 % = 2 1 % p.a.
P x T 8000 x 4 2

Thus, I and II both are needed to get the answer.

Correct answer is (E).

Discussion:
13 comments Page 2 of 2.
Rakesh said:   1 decade ago
8800 is amount under SI paid in 2 years but you taken it as 4 years.
Bharath said:   1 decade ago
If you look the 2 option, we will get the PTR details. So why again 1 option is needed?
PRIYANK said:   3 years ago
@Sparsh Chandra.

Thank you for the explanation.
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