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Railway Express - RRB NTPC Test 189
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Railway Express - RRB NTPC Test 189
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  • Question 1/10
    1 / -0.33

    In the following question a statement is given, followed by two arguments I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.

    Statement: Should India adopt one child policy?

    Argument: I. Yes, it will help control the growing population in India.

    II. No, it is a violation of human rights.

    Solutions
    Argument I is strong as one child policy will control the growing population in India.

    Argument II is also strong. It will also violate the human rights and gave Government the right to dictate how big a family can be.

    Hence, option D is the correct answer.

  • Question 2/10
    1 / -0.33

    Select the option that is related to the third number in the same way second number is related to the first number.

    12 : 90 :: 16 : ?
    Solutions
    2 × 6 = 12, 15 × 6 = 90

    Similarly,
    2 × 8 = 16, 15 × 8 = 120

    Hence, option C is the correct answer.
  • Question 3/10
    1 / -0.33

    In a certain code language, ‘GIBECH’ is written as ‘974356’. What will be the code for ‘FHCIAD’ in that code language?
    Solutions

    As,

    G(7)I(9)B(2)E(5)C(3)H(8)

    = G(7+2)I(9-2)B(2+2)E(5-2)C(3+2)H(8-2)

    = G(9)I(7)B(4)E(3)C(5)H(6)=974356

    Similarly,

    F(6)H(8)C(3)I(9)A(1)D(4)

    = F(6+2)H(8-2)C(3+2)I(9-2)A(1+2)D(4-2)

    = F(8)H(6)C(5)I(7)A(3)D(2)=865732

    Hence, option D is the correct answer.

  • Question 4/10
    1 / -0.33

    The H.C.F. of two numbers is 17 and the product of the two numbers is 2312. Find the sum of their reciprocals.
    Solutions
    Let, the numbers are 17x and 17y.

    Given, 17x × 17y = 2312

    xy = 8

    It is possible when x is 1 and y is 8 or vice versa as x and y should be co-prime numbers.

    Thus, Sum of reciprocals = 1/17x + 1/17y =  =9/(17×8) = 9/136

  • Question 5/10
    1 / -0.33

    In a triangle ABC, DE is parallel to BC; AD = a, DB = a +4, AE = 2a + 3, EC = 7a. What is the value of ‘a’ if a>0 ?
    Solutions

    In Δ ABC, DE||BC

    ADE = ABC

    AED = ACB

    ΔABC ~ ΔADE

    AD/DB = AE/EC (Thales theorem)

    a/(a+4) = (2a+3)/7a

    7a2 = 2a2 + 11a + 12

    5a2 – 11a – 12 = 0

    (a – 3)(5a + 4) = 0

    a = 3, -4/5.

    Since a > 0

    Then a = 3.

  • Question 6/10
    1 / -0.33

    In given figure, O is the center of the circle. If CBQ = 60°, then find 2x?

    Solutions



    Given that,
    CBQ = 60°
    We know that in any circle, the angle between a chord and a tangent through one of the end points of the chord is equal to the angle in the alternate segment. This property is known as Alternate Segment Theorem.

    So, ∠BAC = CBQ  

    BAC = 60°

    Therefore, 2BAC = 2x = 120°.

  • Question 7/10
    1 / -0.33

    PRAGATI platform is being managed and controlled under?
    Solutions

    * PRAGATI platform is being implemented by Prime Minister’s Office.

    * PRAGATI stands for Pro Active Governance and Timely Implementation.

    * It is a multipurpose platform that uniquely bundles three latest technologies-

    * Digital data management

    * Video Conferecing

    * Geo Spatial Technology

    * It ensures Coperative federalism as it brings secretaries of GOI and Chief Secretaries of States on one platform.

  • Question 8/10
    1 / -0.33

    What is the full form of SCO?
    Solutions

    The full form of SCO is Shanghai Cooperation Organization.

    It was formed in 2001 with six members and India and Pakistan was later joined it and presently it has eight member states and four observer states.

    The charter of Shanghai Cooperation Organisation was signed in 2002 and become enforceable in September, 2003.

  • Question 9/10
    1 / -0.33

    Which of the following metal leads to Liver Cirrhosis?
    Solutions

    Copper is the heavy metal that leads to liver cirrhosis.

    Copper has an essential role in keeping you healthy.

    Copper toxicity can cause problems as well, including liver damage or heart and kidney failure.

  • Question 10/10
    1 / -0.33

    Which one of the following Article of the Constitution of india has provision for State Emergency?

    Solutions
    • Article 356 of the Constitution of India gives the President of India the power to suspend state government and impose President’s rule on any state in the country.
    • Article 356 provides that if the President, on receipt of a report from the Governor of a state or otherwise, is satisfied that a situation has arisen in which the Government of the State cannot be carried on by the provisions of the Constitution, the President may issue a proclamation.
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