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.

Find the speed of the train whose length is $210$ metres ?

**I.** The train crosses another train of $300$ meters length running in opposite direction in $10$ seconds.

**II.** The train crosses another train running in the same direction at the speed of $60$ km/hr in $30$ seconds.

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 speed of the train?

**I.** $280$ metres long train crosses a signal pole in $18$ seconds

**II.** $280$ metres long train crosses a platform in $45$ seconds.

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.

A trian crosses a pole in $10$ seconds. What is the length of the train ?

**I.** The train crosses another train running in opposite direction with a speed of $80$ km/hr in $22$ seconds.

**II.** The speed of the train is $108$ km/hr

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

4.

A train crosses a signal post in $x$ seconds. What is the length of the train ?

**I.** The train crosses a platform of 100 metres in $y$ seconds.

**II.** The train is running at the speed of $80$ km/hr.

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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