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Railway Express - RRB NTPC Test 195
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Railway Express - RRB NTPC Test 195
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  • Question 1/10
    1 / -0.33

    In a certain code language, SUM is coded as 62 and POT is coded as 66. How will HULK be coded as in that language?
    Solutions

    Logic – Sum of opposite letter place value * 2 + 6
    As,

    SUM=8+6+14=28,

    Now, 28*2+6=56+6=62

    and

    POT=11+12+7=30

    Now, 30*2+6=60+6=66

    Similarly,

    HULK=19+6+15+16=56

    Now, 56*2+6=112+6=118

    Hence, option B is the correct answer.

  • Question 2/10
    1 / -0.33

    Correct the following equation by interchanging the two mathematical operators and choose an appropriate option.

    Solutions

    On checking option C

    through option C, interchange * and ÷ operators,

    125*-2+117÷13

    25-2+9=34-2=32.

    Hence, option C is the correct answer.

  • Question 3/10
    1 / -0.33

    Directions For Questions

    The question below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and give answer.

    ...view full instructions


    What will be the code for ‘human’?
    I. ‘We are kind human’ is coded as ‘wi jr nm xb’ and ‘kind human lazy are’ is coded as ‘xb wi nm za’.
    II. ’Lazy are crazy’ is coded as ‘za ad xb’ and ‘are kind human crazy’ is coded as ‘xb wi za nm’.

    Solutions

    From statement I:

    ‘We are kind human’ is coded as ‘wi jr nm xb’ and ‘kind human lazy are’ is coded as ‘xb wi nm za’.

    We = jr

    Lazy = za

    Are/kind/human = wi/jr/nm

    Hence, statement 1 alone is not sufficient.

    From statement II:

    ’lazy are crazy’ is coded as ‘za ad xb’ and ‘are kind human crazy’ is coded as ‘xb wi za nm’.

    Lazy = ad

    Are/crazy = za/xb

    Kind/human = wi/nm

    Hence, statement 2 alone is not sufficient.

    Thus, Data in both Statements I and II together is not sufficient to answer the question.
    Hence, option D is the correct answer.

  • Question 4/10
    1 / -0.33

    Find the median of : 2, 5, 2, 5, 3, 1, 6, 4, 6.
    Solutions

    Arranging the given data in ascending order: 1, 2, 2, 3, 4, 5, 5, 6, 6

    Median will be (n+1)/2 th term of the data = ( 9 + 1)/ 2 th = 5th term

    5th term = 4

  • Question 5/10
    1 / -0.33

    If x+y+z = 4, x2+y2+z2 = 12 and x3+y3+z3 = 36, then xyz = ?
    Solutions

    (x + y + z)2 = x+ y+ z2 + 2(xy + yz + zx)
    ⇒ 42 = 12 + 2(xy + yz + zx)
    ⇒ xy + yz + xz = 2

    Now,
    x
    3 + y+ z− 3xyz = (x + y + z)[x+ y+ z2 −(xy + yz + zx)]
    ⇒ 36 − 3xyz = 4×(12−2)
    ⇒ 3xyz = 36 − 40 = −4

  • Question 6/10
    1 / -0.33

    In a mixture ratio of milk and water is 11:15. If 20 lit water is added in the mixture, the Ratio becomes 2:3. find the total percentage of milk in the new mixture.
    Solutions
    Since it is already given that the Ration of milk and water in new mixture = 2 : 3
    Percentage of milk =
    = 200/5
    = 40%
  • Question 7/10
    1 / -0.33

    World Water Day is celebrated on______ every year.
    Solutions

    * World Water Day is observed annually across the globe on March 22.

    * The theme of World Water Day 2021 is "Valuing Water".

    * It has been celebrated each year on March 22 since 1992.

    * The resolution to observe World Water Day was first adopted by the UN General Assembly on December 22, 1992.

  • Question 8/10
    1 / -0.33

    Which of the following submarine was commissioned into Indian navy on March 10, 2021?
    Solutions

    * INS Karanj was commissioned into Indian navy on March 10, 2021 in Mumbai.

    * The submarine was delivered to Indian Navy on 15 February 2021.

    * INS Karanj (2018) is the third submarine of the first batch of six Kalvari-class submarines for the Indian Navy.

    * It is designed by French naval defence and energy group DCNS.

    * It is manufactured by Mazagon Dock Limited, an Indian shipyard in Mumbai.

    * The ship was launched on 31 January 2018.

  • Question 9/10
    1 / -0.33

    Alaknanda & Pindaki rivers confluence at which place?
    Solutions

    The Panchprayags and Rivers which confluence in each prayag are as follow-

    1. Vishnuprayag- Confluence of Alakhnanda and Dhauli Ganga.

    2. Nandprayag- Confluence of Alakhnanda and Nadakini Rivers.

    3. Karnaprayag- Confluence of Alakhnanda and Pinder Rivers.

    4. Rudraprayag- Confluence of Mandakini and Alakhnanda Rivers.

    5. Devprayag- Confluence of Alakhnanda and Bhagirathi Rivers.

  • Question 10/10
    1 / -0.33

    The Ryotwari System was introduced by:
    Solutions

    ● The Ryotwari system was devised by Capt. Alexander Read and Thomas Munro at the end of the 18th century and introduced by the latter when he was the Governor of Madras (1820–27).

    ● The principle was the direct collection of the land revenue from each individual cultivator by government agents.

    ● It allowed the government to deal directly with the cultivator ('ryot') for revenue collection and gave the peasant freedom to cede or acquire new land for cultivation.

    ● The peasant was assessed for only the lands that he cultivated.

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