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RRB Group D Mix Test 90
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RRB Group D Mix Test 90
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  • Question 1/10
    1 / -0

    In a certain coding language " easy to write " is written as " pl hi sp ", "write always clear " is written as " hi te so " and " easy to think " is written as " pl sp ke ".

    How is 'write' written in that code language ?

    Solutions

     

  • Question 2/10
    1 / -0

    The orbital velocity of satellite depends on-

    Solutions

    Orbital velocity of a satellite

    V =  , M = mass of the planet

    Here GM is constant so V depends on R only. Hence if R, increase - V decrease

    R, decrease - V, increase

     

  • Question 3/10
    1 / -0

    Which one of the following is not the part of Indian Parliament?

  • Question 4/10
    1 / -0

    What is the sex ratio in India according to census of 2011 ?

    Solutions

    Census - 2011

    Sex Ratio - Rural - 949

    Sex Ratio - Urban - 929

    (Females per 1000 males)

     

  • Question 5/10
    1 / -0

    Cirrhosis disease affects which organ of the body ?

    Solutions

    Alcohol and hepatitis B and C are common causes of cirrhosis.

     

  • Question 6/10
    1 / -0

    The best conductor of heat among the following is-

  • Question 7/10
    1 / -0

    Nathula Pass is located in which state ?

    Solutions

    It connects Sikkim and Tibet (CWNA)

     

  • Question 8/10
    1 / -0

    If cosec θ + cot θ = P then find cosec θ – cot θ.

    Solutions

    We know

    cosec2 θ – cot2 θ = 1

    (cosec θ + cot θ) (cosec θ – cot θ) = 1

    P (cosec θ – cot θ) = 1

    cosec θ – cot θ = 1/P

     

  • Question 9/10
    1 / -0

    Find max. value of sin2 θ + cos4 θ.

    Solutions

    In such functions, to find  max value put θ = 0°/90°

    0 + 14 = 1

     

  • Question 10/10
    1 / -0

    Newton’s first law of motion gives the concept of-

    Solutions

    Newton’s first law of motion is also called as law of inertia.

     

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