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CAT-2004-Previous Years Paper

Question
24 out of 38
 

Each questions is followed by two statements, A and B- Answer each questions using the following instructions.


Tarak is standing 2 steps to the left of red mark and 3 steps to the right of a blue mark. He tosses a coin. If it comes up heads, he moves one step to the right; otherwise he moves one step to the left. He keeps doing this until he reaches one of the two marks, and then he stops. At which mark does he stop?

A- He stops after 21 coins tosses.

B- He obtains three more tails than heads.

 



A The question can be answered by using one of the statements alone but not by using the other statement alone.

B The question can be answered by using either of the statements alone.

C The question can be answered by using both statements together but not by either statement alone.

D The question cannot be answered on the basis of the two statements.

Ans. B Statement A:

We can find that there are 12 tails and 9 heads.

This will give us the answer. So statement A is sufficient.

Statement B:

3 more tails than heads. So we will reach at blue point after tosses.

Hence, statement B. is not sufficient.

CAT-2004-Previous Years Paper Flashcard List

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