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RRB NTPC 2024 Mix Test - 72
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RRB NTPC 2024 Mix Test - 72
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  • Question 1/10
    1 / -0.33

    Which protein is found in cardiac muscle and type I skeletal muscle fibres, one of the two types of fibres that make up the muscles the body uses for movement?

    Solutions

    Key Points

    • Myosin
      • Myosin is found in cardiac muscle and type I skeletal muscle fibres, one of the two types of fibres that make up the muscles the body uses for movement.
      • Myosins are a class of motor proteins well recognised for their functions in the contraction of muscles and a variety of other eukaryotic motility processes. They are ATP-dependent and in charge of motility based on actin.
      • Wilhelm Kühne made the first myosin (M2) discovery in 1864. In order to maintain the tension condition in muscle, Kühne had isolated a viscous protein from skeletal muscle. He gave the protein the name myosin.
      • Myosin is a vast superfamily of genes whose protein products share the fundamental traits of actin binding, ATP hydrolysis (ATPase enzyme activity), and force transduction, despite the fact that it was once believed that myosin was only found in muscle cells.

    Additional Information

    • Cardiac muscle
      • Cardiac muscle makes up the thick central layer of the heart (also known as myocardium). It is one of the three types of muscles in the body, along with skeletal and smooth muscle. The myocardium is encircled by an inner endocardium and a thin external layer called the epicardium, also called visceral pericardium.
      • Despite some significant distinctions, cardiac muscle contracts similarly to skeletal muscle.
      • The sarcoplasmic reticulum, a cell's internal calcium reserve, releases calcium in response to electrical stimulation in the form of a cardiac action potential.
  • Question 2/10
    1 / -0.33

    What is the LCM of 15 and 25?

    Solutions

    Given:

    Numbers: 15 and 25

    Concept:

    The Least Common Multiple (LCM) of two numbers is the smallest number that is a multiple of both.

    Solution:

    ⇒ Find the prime factorization of 15: 3 × 5

    ⇒ Find prime factorization of 25: 5 × 5

    ⇒ LCM is the product of the highest powers of all prime numbers: 31 × 52 = 75

    Therefore, the LCM of 15 and 25 is 75.

  • Question 3/10
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    Consider the given statement to be true and decide which of the assumptions is/are implicit.

    Statement:

    A traffic board reads ‘Speed thrills, but kills’.

    Assumptions:

    1. Drive fast and experience the thrill.

    2. Fast driving will attract a heavy fine.

    Solutions

    The signboard “speed thrills but kills” emphasises on driving cautiously and safely. Driving fast and experiencing the thrill is clearly not a message implicit in the statement. Nothing is mentioned about a fine. So, assumption 2 is also not implicit.

    Hence, neither assumption 1 nor 2 is implicit.

  • Question 4/10
    1 / -0.33

    Which among the following is not required to be the Vice-President of India?

    Solutions

    Key Points

    • No, the statement "He should have completed 40 years of age is not required to be the Vice-President of India" is incorrect.
    • According to Article 66 of the Constitution of India, a person must be at least 35 years of age to be eligible for the office of the Vice-President.
    • The Constitution sets specific qualifications for various political positions in India, and age requirements are among them.

    Additional Information

    • To be eligible for the position of Vice-President of India, certain qualifications must be met, as outlined in the Constitution of India. According to Article 66 of the Constitution, the following requirements must be fulfilled:
      • Citizenship: The candidate must be a citizen of India.
      • Age: The candidate must have attained the age of 35 years or above.
      • Qualifications: The candidate should be qualified for election as a member of the Rajya Sabha (the Upper House of Parliament).
  • Question 5/10
    1 / -0.33

    Ravi invested ₹8,000 at 20% per annum for 6 months. If the interest is compounded half yearly, what is the compound interest?

    Solutions

    Given:

    P = Rs.8000

    R = 20% per annum

    Time = 6 months

    Calculation:

    By applying ratio method,

    Since time = 6 months.

    Rate = 20% per annum

    So for 6 months rate = 10% = 1/10

    ⇒ 10 = 8000

    ⇒ 1 = 800

    Compound Interest = Amount - Principal = 11 - 10 = 1

    ⇒ 1 = 800

    ∴ The correct answer is Rs. 800.

  • Question 6/10
    1 / -0.33

    Consider the question given and decide which of the following statement(s) is/are sufficient to answer the question.

    Find the age of the mother from the given statements.

    Statements:

    I: Mother’s age is 10 years more than her son's age.

    II: Son’s age is 24 years more than the daughter's age.

    Solutions

    Statement 1: Mother’s age is 10 years more than her son's age. Statement 1 is not sufficient to answer the question as we don’t know the age of the son.

    Statement 2: Son’s age is 24 years more than the daughter's age. Statement 2 is not sufficient to answer the question as we don’t know the age of the daughter.

    Also, by combining both statements, we cannot find the age of the mother.

    Hence, neither I nor II is sufficient to answer the question.

  • Question 7/10
    1 / -0.33

    Which of the following is a classical dance form from Andhra Pradesh?

    Solutions

    Key Points

    • Kuchipudi is a classical dance form that originated in the village of Kuchipudi in Andhra Pradesh, India.
    • It takes its name from the village and has a rich history that dates back several centuries.
    • Kuchipudi is known for its dynamic footwork, fast-paced movements, and the blend of dance, music, and acting.
    • The dance form encompasses both masculine (Tandava) and feminine (Lasya) aspects and combines elements of Nritta (pure dance)Nritya (expressional dance), and Natya (dramatic aspect).
    • Kuchipudi was created as a way to worship Krishna, a Hindu deity.

    Additional Information

    Bharatanatyam-

    • Bharatanatyam is a classical dance form that originated in Tamil Nadu.
    • It is characterized by intricate footwork, hand gestures, facial expressions, and elaborate costumes.
    • Bharatanatyam is known for its technical precision and expressive storytelling.

    Mohiniyattam-

    • Mohiniyattam is a classical dance form from the state of Kerala.
    • It is predominantly performed by female dancers and is known for its graceful movements and subtle expressions.
    • Mohiniyattam combines elements of dance, music, and drama to convey stories from Hindu mythology.

    Manipuri-

    • Manipuri is a classical dance form from the northeastern state of Manipur.
    • It is deeply rooted in the traditions and mythology of Manipur and reflects the region's cultural heritage.
    • Manipuri dance is characterized by its graceful and gentle movements, intricate hand gestures, and devotion to Lord Krishna and Radha.
  • Question 8/10
    1 / -0.33

    What is the total surface area of a cone whose radius is 10 cm and height is 24 cm?

    Solutions

    Given:

    Radius of the cone = 10 cm

    Height of the cone = 24 cm

    Formula:

    Total surface of area of a cone = πR(L + R)

    Total surface area of the cone

    ⇒ π × 10 × (26 + 10)

    ⇒ 22/7 × 10 × 36

    ⇒ 7920/7 = 1131.428 ≈ 1131.43 cm2

    ∴ The total surface area of the cone is 1131.43 cm2.

  • Question 9/10
    1 / -0.33

    In question, a series is given, with one term missing. Choose the correct alternative from the given one that will complete the series.

    CH7, GF4, ?, LY3, MT5

    Solutions

    According to the English alphabet series and its positional value:

    The logic follows here is:

    So, from the figure, we can see that the missing term is JC6

  • Question 10/10
    1 / -0.33

    Which article of the constitution of India is related to Comptroller and Auditor General of India Audit reports?

    Solutions

    Key Points

    • Comptroller and Auditor General of India:
      • The Constitution of India (Article 148) provides for an independent office of the Comptroller and Auditor General of India (CAG).
      • He is the head of the Indian Audit and Accounts Department.
      • He is the guardian of the public purse and controls the entire financial system of the country at both the levels of the Centre and the state
      • Article 149 deals with the powers and duties of the CAG.
      • His duty is to uphold the Constitution of India and the laws of Parliament in the field of financial administration.
      • This is the reason why Dr. B R Ambedkar said that the CAG shall be the most important Officer under the Constitution of India.
      • He is one of the bulwarks of the democratic system of government in India; the others being the Supreme Court, the Election Commission, and the Union Public Service Commission.
    • Article 151 says that the Comptroller and Auditor-General of India submit the reports in relation to the accounts of the Union to the President, who shall further lay it before each of the houses in the Parliament.
    • The current CAG is K. Sanjay Murthy.
    • Article related to CAG are 148,149,150,151,279

    Additional Information

    • Appointment and Term:
      • The CAG is appointed by the president of India by a warrant under his hand and seal.
      • The CAG, before taking over his office, makes and subscribes before the president an oath or affirmation:
        • To bear true faith and allegiance to the Constitution of India;
        • To uphold the sovereignty and integrity of India;
        • To duly and faithfully and to the best of his ability, knowledge, and judgement perform the duties of his office without fear or favour, affection or ill-will; and
        • To uphold the Constitution and the laws.
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