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Railway Rapid Test 7
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Railway Rapid Test 7

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  • Question 1/10
    1 / -0
    Which of following food is bad for people with high cholesterol level?
    Solutions
    Monounsaturated and polyunsaturated fats, Soy foods, High-fiber foods, Plant stanols and sterols are the type of fats that can help decrease LDL cholesterol.
    * Hyrdogenated oils are found in packed foods and are bad for people with high cholesterol level.
  • Question 2/10
    1 / -0
    Evaporation of water takes place in which part of plants?
    Solutions
    Stomata is a tiny opening or pore found on the under-surface of plant leaves. Through these pores air enters in the plants. This involves in the photosynthesis.
  • Question 3/10
    1 / -0
    The concentration of copper in ores averages only _______.
    Solutions
    The concentration of copper in ores averages only 0.6%, and most commercial ores are sulfides, especially chalcopyrite (CuFeS2) and to a lesser extent chalcocite (Cu2S).
  • Question 4/10
    1 / -0
    Carcinogenic chemicals cause
    Solutions
    Carcinogenic chemicals cause Cancer by damaging the genome or the cellular metabolic process. Cancer is any disease in which normal cells are damaged and do not undergo programmed cell death as fast as they divide via mitosis.
  • Question 5/10
    1 / -0
    Where does a computer add, compare and shuffle data?
    Solutions
    A microprocessor is a computer processor that incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit (IC), or at most a few integrated circuits. The microprocessor is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output. It is an example of sequential digital logic, as it has no internal memory. Microprocessors operate on numbers and symbols represented in thebinary numeral system.
  • Question 6/10
    1 / -0
    Who invented the television?
    Solutions
    John Logie Baird is a Scottish inventor associated with the invention of television in 1926.
    * He gave the world's first public demonstration of a working television system in London.
  • Question 7/10
    1 / -0
    Working of the WAN generally involves?
    Solutions
    • WAN consists of two or more local-area networks (LANs).
    • Computers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites.
    • Miicrowave technology helps  organisations requiring broadband WAN networks are reliability and cost-effective bandwidth.
  • Question 8/10
    1 / -0
    What was the main aim of Kyoto Protocol?
    Solutions
    • Kyoto Protocol was signed on 11th December 1997 in Kyoto, Japan.
    • It is an international treaty to reduce the effects of climate changes such as global warming and to control greenhouse gas emissions.
  • Question 9/10
    1 / -0
    qqr_rrqq_qrrqqr_rr_qrq_r
    Solutions
    The sequence given is qqrqrrqqrqrrqqrqrr.
  • Question 10/10
    1 / -0
    Two cyclists started simultaneously towards each other and meet each other 3 hours 20 minutes later. How much time will it take the slower cyclist to cover the whole distance if the first arrived at the place of departure of the second 5 hours later than the second arrived at the point of departure of the first?
    Solutions

    Since the two cyclist meet after = 200 minutes they cover 0.5% of the distance per minutes and 30% per hour.

    This condition is satisfied only if the slower cyclist takes 10 hour. and faster cycle takes 5 hours

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