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RRB NTPC 2021 CBT-2 Mix Test - 79
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RRB NTPC 2021 CBT-2 Mix Test - 79
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  • Question 1/10
    1 / -0.33

    1st January 2013 was Wednesday so what was the day of the week on 31 December 2013?

    Solutions

    2013 was a normal year and had 365 days that is 52 weeks and 1 day

    1st January was Wednesday means 30th December was Tuesday and 31st December was Wednesday.

     

  • Question 2/10
    1 / -0.33

    Which continent is known as White Continent ?

    Solutions
    • Antarctica Continent is known as White Continent .

    • It was discovered in 1820 .

    • Ronald Amundsen was the first man to reach geographical South Pole in Antarctica.

    • It is the only continent which is completely frozen .

     

  • Question 3/10
    1 / -0.33

    Alternating current is a familiar example of which type of motion?

    Solutions

    * The motion of AC current is familiar example of wave motion.

    * In Alternative Current, the current periodically changes it’s motion.

    * The AC voltages and frequencies commonly used in homes and businesses vary around the world.

    * The crucial factor is that it is much easier to increase and decrease AC voltages than DC, so AC is used in most large power distribution systems.

     

  • Question 4/10
    1 / -0.33

    Select the option which fill in the blank and complete the given series below.

    3, 7, 11, 15, _________

    Solutions

    The pattern is:

     

  • Question 5/10
    1 / -0.33

    Which of the following interchanges of signs and numbers would make the given equation correct?

    8 + 15 ÷10 — 5 × 3 = 53

    Solutions

    By checking Option(A)-

    8 + 15 ÷10 — 5 × 3 = 53

    After interchanging-

    8 + 5 ×10 — 15 ÷ 3 = 53

    Apply BODMAS,

    8 + 5 ×10 — 15 ÷ 3

    =8 + 5 ×10 — 5

    =8 + 50 — 5

    =8 + 45

    =53

    Thus, 8 + 15 ÷10 — 5 × 3 = 53 is the correct equation.

    As, we found the correct answer, so no need to check more options.

     

  • Question 6/10
    1 / -0.33

    The Red Fort and the Jama Masjid in Delhi stand out as towering achievements of architecture during the reign of ______.

    Solutions

    • The Red fort of Delhi was constructed during the reign of Shah Jahan.

    • Jama Masjid, Delhi and Taj Mahal of Agra was also buit by Shah Jahan.

    • Shah Jahan Shifted capital to delhi and a new city of Shahjahanabad was developed. And red Fort was constructed to fortify the capital of Shahjahanabad.

     

  • Question 7/10
    1 / -0.33

    Bus A starts from Ambala at 9.00 am and reaches Amritsar at 11.00 am. Another bus B starts from Amritsar at 9.00 am and reaches Ambala at 10.00 am. At what time will they cross each other?

    Solutions

    Let the distance between Ambala and Amritsar be 2x km

    Then speed of bus A = 2x/2 = x km/hr

    and speed of bus B = 2x/1 = 2x km/hr

    Relative speed = x + 2x = 3x km/hr

    Time taken for meeting = 2x/3x = 0.66 hours = 40 min

    Therefore, the trains will meet at 9:40 am

     

  • Question 8/10
    1 / -0.33

    Who is known as the Father of the Nation in Bangladesh?

    Solutions

    • Sheikh Mujibur Rahman was the founding father of Bangladesh.

    • He served as the first President of Bangladesh and later as the Prime Minister of Bangladesh from 17th April 1971 to 15th August 1975.

    • He is popularly dubbed with the title of "Bangabandhu" by the people of Bangladesh.

    • He led the Bangladesh Liberation War (1971).

     

  • Question 9/10
    1 / -0.33

    What is the difference between the median and mode of 4, 3, 10, 14, 4, 32, 64, 4, and 2?

    Solutions

    Mode means number having the highest frequency in the given data set.

    So, the Mode is 4 as 4 occurs the highest time (3 times) in the given set.

    Median is the middle most number in the given data set after arranging it in the ascending order.

    Let us arrange the given set in the ascending order:

    2, 3, 4, 4, 4, 10, 14, 32, 64

    So, in this data set Median = 4 (Middle most number)

    Required difference = 4 − 4 = 0

     

  • Question 10/10
    1 / -0.33

    Which of the following is not considered as a Ashram in Indian Mythology?

    Solutions

    Ancient Indian society comprised of four ashrams to live life meaningfully and responsibly. They are as follow-

    Brahamcharya- upto 25 years of age, this ashram mainly dealt with education.

    Grahasta- between 25-50 years of age, this ashram dealt with discharging social norms and responsibilities as a husband, Son and Father.

    Vanprastha- between 50-75 years, in this ashram veteran people spreads his knowledge to younger generation for meaningful life.

    Sanyas- between 75-100 years, in this ashram a person completely cuts from society and works for self salvation.

     

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