Direction to solve:

Each of the questions given below consists of two statements numbered I and II given below it. Please read the questions carefully and decide whether the data provided in the statement(s) is / are sufficient to answer the given question.


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1.

What was the total compound interest on a sum after $3$ years ?

I. The interest after one year was Rs. $100$ and the sum was Rs. $1000$.
II. The difference between simple and compound interest on a sum of Rs. $1000$ at the end of $2$ years was Rs. $10$.


A) I alone sufficient while II alone not sufficient to answer

B) II alone sufficient while I alone not sufficient to answer

C) Either I or II alone sufficient to answer

D) Both I and II are not sufficient to answer

E) Both I and II are necessary to answer



2.

What is the compund interest earned by James at the end of $2$ years ?

I. Simple interest at the same rate for one year is Rs. $1020$ and the rate of interest is $12$ p.c.p.a

II. The amount invested is Rs. $8500$.


A) I alone sufficient while II alone not sufficient to answer

B) II alone sufficient while I alone not sufficient to answer

C) Either I or II alone sufficient to answer

D) Both I and II are not sufficient to answer

E) Both I and II are necessary to answer



3.

What was the rate of interest on a sum of money ?

I. The sum fetched a total of Rs. $2522$ as compound interest at the end of $3$ years.

II. The difference between the simple interest and the compound interest at the end of $2$ years at the same rate was Rs. $40$


A) I alone sufficient while II alone not sufficient to answer

B) II alone sufficient while I alone not sufficient to answer

C) Either I or II alone sufficient to answer

D) Both I and II are not sufficient to answer

E) Both I and II are necessary to answer



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