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RRB NTPC Group D Mixed Test 19
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RRB NTPC Group D Mixed Test 19
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  • Question 1/10
    1 / -0

    X and Y are brothers. R is the father of Y. S is the brother of T and maternal uncle of X. What is T to R?
    Solutions

    R is father of X and Y.

    S is maternal uncle of X and Y.
    https://www.topcoaching.in/paid/external-images/yJw70n7GYyvTfoif9UfWiCjzjfmExXLKcU3T79Js.png

    Considering the given options, it may be assumed that T is wife of R.
    Hence, option B is correct answer.

  • Question 2/10
    1 / -0

    If BIKE= 5964 and DISCOVER = 39872041, then KIOSK will be equal to :
    Solutions

    Logic: Take corresponding letter code.

    As,

    And

    Similarly,

    Hence, option B is the correct answer.

  • Question 3/10
    1 / -0

    In the following question, select the missing number from the given alternatives.

    Solutions

    Logic:

    In column

    1st number * 2nd number – 2nd number = 3rd number

    6*5-5=25

    12*3-3=33

    8*5-5=35

    Hence, Option C is the correct answer.

  • Question 4/10
    1 / -0

    An amount becomes 4 times of it in 2 years by a compound interest compounded half yearly. Find the approximate rate of interest.
    Solutions
    Let the principal be P.
    A = 4P
    Time= 2 years
    Let rate = r% yearly
    According to question







  • Question 5/10
    1 / -0

    The sum and difference of the LCM and HCF of two numbers are 48 and 12 respectively. Find the larger number if the sum of the numbers is 47.
    Solutions
    LCM + HCF = 48
    LCM − HCF = 12
    LCM = (48+12)/2 = 60/2 = 30 
    HCF = (48−12)/2 = 36/2 = 18
    Product of the numbers (ab) = 30×18 
    Sum of the numbers - (a+b) = 47
    so, 
    a(47−a) = 30×18
     
    ⇒ a2−47a+540 = 0 
    ⇒(a−20)(a−27) = 0
    ⇒ a = 20 or a = 27

    If a = 20 then b = 27
  • Question 6/10
    1 / -0

    A, B and C have Rs.500 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?
    Solutions





  • Question 7/10
    1 / -0

    Who repaired the Sudarshana lake in Kathiawar region ?
    Solutions
    * Rudradaman I , he was the most famous ruler of Shakas .
    * He repaired the Sudarshana lake in Kathiawar region .
    * He also issued first ever inscription in Chaste Sanskrit ( Junagarh inscription ).
    * He defeated the Satavahanas twice
  • Question 8/10
    1 / -0

    Who introduced the rupee in India?
    Solutions
    • The word Rupee was adopted by Sher Shah Suri.
    • In Ancient India in circa 6th century BC, was one of the earliest issuers of coins in the world, along with the Chinese wen and Lydian staters. The first "rupee" is believed to have been introduced by Sher Shah Suri (1486–1545), based on a ratio of 40 copper pieces (paisa) per rupee and a renegade governor who broke off from the Mughal Empire during his short rule of northern India between (1540–1545). It was used for the silver coin weighing 178 grains. He also introduced copper coins called Dam and gold coins called Mohur that weighed 169 grains.
  • Question 9/10
    1 / -0

    A balanced chemical equation is in accordance with which of these:
    Solutions
    • A chemical equation must be balanced in accordance with the Law of Conservation of mass
    • This law states that matter is neither created nor destroyed during chemical change that occurs in a chemical reaction
    • Hence, total mass of reactants on left must be equal to total mass of products on right
  • Question 10/10
    1 / -0

    Directions For Questions

    Arrange the following electromagnetic radiations in ascending order of their frequencies:-

    ...view full instructions



    1. Microwaves 

    2. Radio waves 

    3. X-rays

    4. Gamma rays.

    Solutions
    Ascending order of the frequencies:
    Radio waves < Microwaves < X-rays < Gamma rays.
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