# The following question consists of two statements I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question. Is  r equal to the average of x, y, z? I.  x+y+z = 3r II. (a)    The data in statement I alone was sufficient to the answer the question while II alone not sufficient to the answer the question.     (b)    Data in statement II alone are sufficient to answer the question while data in statement I alone are not sufficient to answer the questions.                     (c)   The data in statement I alone or in statement II alone are sufficient to answer the questions. (d)    The data in both statements I and II are not sufficient to answer the question.

## Question ID - 51426 :- The following question consists of two statements I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question. Is  r equal to the average of x, y, z? I.  x+y+z = 3r II. (a)    The data in statement I alone was sufficient to the answer the question while II alone not sufficient to the answer the question.     (b)    Data in statement II alone are sufficient to answer the question while data in statement I alone are not sufficient to answer the questions.                     (c)   The data in statement I alone or in statement II alone are sufficient to answer the questions. (d)    The data in both statements I and II are not sufficient to answer the question.

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From each of I and II, we have .

i.e.,  average of  and

So, either I alone or II gives the answer.

Next Question :

A shell is fired from a fixed artillery gun with an initial speed u such that it hits the target on the ground at a distance R from it. If t1 and t2 are the values of the time taken by it to hit the target in two possible ways, the product  t1t2 is :

 a) b) c) d)