Multiple Choice Questions on Each question is followed by two statements I and II Mark the answer 1 If the question can be answer........... for Civil Services Exam (CSAT) Preparation

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Multiple Choice Questions

Each question is followed by two statements I and II Mark the answer 1 If the question can be answer...........

Math and Mental Ability Data Sufficiency
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    Each question is followed by two statements, I and II. Mark the answer:

    1.If the question can be answered by using one of the statements alone, but cannot be answered using the other statement alone.

    2.If the question can be answered by using either statement alone.

    3.If the question can be answered by using both statements together, but cannot be answered using either statement alone.

    4.If the question cannot be answered even by using both statements together.

    What is Harish’s average speed?

    I. Harish traveled the first 50 km of the journey at 10 km/hr.

    II.After 30 km of his journey Harish increased his speed. 

    1

    Incorrect Answer

    2

    Incorrect Answer

    3

    Incorrect Answer

    4

    Correct Answer
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    Explanation:

    - Statement I: Harish traveled the first 50 km at 10 km/hr.

    - Alone, it only tells us part of the journey, not the total distance or total time.

    - Statement II: After 30 km, Harish increased his speed.

    - This statement alone doesn't provide specifics about the speed change or the entire journey.

    - Both statements together:

    - Knowing Harish's speed for only the first 50 km and that his speed changed after 30 km doesn't provide enough information about total distance or overall time for the entire journey.

    We cannot calculate Harish's average speed without complete data.

    Thus, the correct answer is:

    Option 4: 4

    By: Sandeep Dubey
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