Aptitude - Simple Interest - Discussion
Discussion Forum : Simple Interest - Data Sufficiency 2 (Q.No. 1)
Directions to Solve
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
1.
What is the principal sum? | |
I. | The sum amounts to Rs. 690 in 3 years at S.I. |
II. | The sum amounts to Rs. 750 in 5 years at S.I. |
III. | The rate of interest is 5% p.a. |
Answer: Option
Explanation:
Clearly, any two of the three will give us the answer.
Correct answer is (E).
Discussion:
31 comments Page 3 of 4.
Manju said:
1 decade ago
Help needed in understanding division of equations!
9e tej said:
1 decade ago
Somebody please explain.
Dass said:
1 decade ago
What is the basic formula for the sum?
Anandhi D said:
1 decade ago
I cannot understand Please explain the formula of this question and give me some easy way.
Srira said:
1 decade ago
Please explain the formula of this question and give me some easy way.
Sam said:
1 decade ago
Please explain how to get the answer from using only III?
Chaud said:
1 decade ago
P + P.3.r% = 690---(1).
P + P.5.r% = 750---(2).
Divide eqn 1 by 2 to get r and then p.
Please explain how to divide 1 by 2 to get r and then p?
P + P.5.r% = 750---(2).
Divide eqn 1 by 2 to get r and then p.
Please explain how to divide 1 by 2 to get r and then p?
Pooja said:
1 decade ago
Please explain how p+(p*5*5/100) get?
Akshaya said:
1 decade ago
Hi Abcd,
Using II & III
p+((p*5*5)/100)=750 .....(1)
Solving (1),we get p=600.
Similarly,we can do with I & III
Using II & III
p+((p*5*5)/100)=750 .....(1)
Solving (1),we get p=600.
Similarly,we can do with I & III
Udit chauhan said:
1 decade ago
Excellent abcd!!
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