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RRC Group D Mix Test - 242
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RRC Group D Mix Test - 242
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  • Question 1/10
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    Directions For Questions

    In these questions, statements are given followed by two conclusions I and II. You have to consider both the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions is/are definitely drawn from the given statements. Select answer as: (A) If only I follows (B) If only II follows (C) If neither I nor II follows (D) If both I and II follows

    ...view full instructions

    Statements :

    All spoons are bowls.

    Some bowls are glasses.

    Some glasses are plates.

    Conclusions :

    I. Some glasses are spoons.

    II. Some plates are bowls.

    Solutions

    neither I nor II follows

     

  • Question 2/10
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    A fundamental property of a material that quantifies how strongly that material opposes the flow of electric current is called as...................?

    Solutions

    Electrical resistivity is a fundamental property of a material that quantifies how strongly that material opposes the flow of electric current. A low resistivity indicates a material that readily allows the flow of electric current. Resistivity is commonly represented by the Greek letter ρ.

     

  • Question 3/10
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    A fundamental property of a material that quantifies how strongly that material opposes the flow of electric current is called as...................?

    Solutions

    Electrical resistivity is a fundamental property of a material that quantifies how strongly that material opposes the flow of electric current. A low resistivity indicates a material that readily allows the flow of electric current. Resistivity is commonly represented by the Greek letter ρ.

     

  • Question 4/10
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    If x is a positive integer such that 2x + 12 is perfectly divisible by x, then the number of possible values of x is

    Solutions

    P(x) = 2x + 12
    If 2x+12 is perfectly divisible by x, then 12 must be divisible by x.
    Hence there are six possible values of x : (1, 2, 3, 4, 6, 12)
    12 = 2 × 2 × 3 = 22 × 31
    Number of factorization
    = (2 + 1) (1 + 1)
    = 3 x 2 = 6

     

  • Question 5/10
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    19 persons went to a hotel for a combined dinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

    Solutions

    Let the average expenditure of 19 people be x
    ⇒19x = 13 × 79 + 6 × (x + 4)
    ⇒19x = 13 × 79 + 6x +24
    ⇒x = 80.84
    So, total money spent by them = 1536.07

     

  • Question 6/10
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    In each of the following questions, a series is given with one/two term(s) missing. Choose the correct alternatives from the given ones that will complete the series.

    0, 2, 6, ______, 20, 30, 42

    Solutions

    The Pattern is as follows:-
    12 − 1 = 1 − 1 = 0
    22 − 2 = 4 − 2 = 2
    32 − 3 = 9 − 3 = 6
    42 − 4 = 16 − 4 = 12
    52 − 5 = 25 − 5 = 20
    62 − 6 = 36 − 6 = 30
    72 − 7 = 49 − 7 = 42

     

  • Question 7/10
    1 / -0

    Consider the following statements -

    1. Different functions in our body are performed by nutrients only.

    2. Nutrients are not chemical substances.

    3. Science which deals with nutrients is called neutrino-logy.

    Choose the correct options-

    Solutions

    Nutrients are chemical substances and the science deals with the study of nutrients are called Nutrition.

     

  • Question 8/10
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    A number series is given below with on number missing, shown by a “?”. Choose from the options the correct alternative that will fit the pattern of the series.

    2,6,12,?,30,42,56

    Solutions

    The Pattern is as follows:-
    2+4=6
    6+6=12
    12+8=20
    20+10=30
    30+12=42
    42+14=56

     

  • Question 9/10
    1 / -0

    Earthquake is a natural phenomenon that occurs due to which of the following reasons?

    Solutions

    An earthquake is caused by tectonic plates getting stuck and putting a strain on the ground. Most naturally occurring earthquakes are related to the tectonic nature of the Earth.

     

  • Question 10/10
    1 / -0

    A man can row 10 km/hr in still water. If the speed of the current is 2 km/hr, he takes 3 hours more in upstream than in the downstream. What is the distance (in km)?

    Solutions

    Speed of downstream = Speed of boat+ Speed of stream
    Speed of upstream = Speed of boat- Speed of stream
    Let total distance be d km
    ATQ,
    d/10−2 − d/10+2 = 3
    After solving the above equation, we will get d = 72 km
    Therefore,
    Total distance = 72 km

     

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