CAT 1998 | Question: 177

Question

Read the following directions carefully and answer the questions and mark as follows:

Radha and Rani appeared in an examination. What was the total number of questions?

1. Radha & Rani together solved $20$% of the paper.
2. Radha alone solved $3/5$th of the paper solved by Rani.

 

• A. If any one of the statements alone is sufficient to answer the question.
• B. If both statements individually are sufficient to answer the question.
• C. If both statements together are required to answer the question.
• D. If both statements are not sufficient to answer the question.

Answer 1

Radha+Rani solved 20% of the paper=$\frac{1}{5}$ of the paper.

And Rani solved x portion, Radha solved $\frac{3}{5}x$

But until and unless we can form some equation , we cannot solve his question

So, ans is D)