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RRC Group D Mix Test - 249
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RRC Group D Mix Test - 249
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  • Question 1/10
    1 / -0

    Total salt content in blood is ________?

    Solutions

    Total salt content in blood is about 0.85 to 0.9%.

     

  • Question 2/10
    1 / -0

    Which One of the following is the major constituent of toothpaste?

    Solutions

    Sodium fluoride (NaF), stannous (II) fluoride (SnF2) and sodium monofluorophosphate (Na2PO3F) are all fluorine compounds added to toothpaste, also to help prevent tooth decay.

     

  • Question 3/10
    1 / -0

    In 19th century who of the following have set the foundation for electrical lighting?

    Solutions

    At the beginning of 19th century, Sir Humphry Davy set foundations for electrical lightning. He performed an experiment with a battery and a platinum strip, which made a connected strip glow. That was the beginning of an incandescent light lamp.

     

  • Question 4/10
    1 / -0

    What is a Quick Silver?

    Solutions

    Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum.

     

  • Question 5/10
    1 / -0

    Selling and cost price of an article are Rs 5400 and Rs 5200 respectively. If 10% discount was given, then what is the percentage mark up?

    Solutions

     

  • Question 6/10
    1 / -0

    When phenolphthalein is used as natural indicator, it turns acidic solutions into which colour?

    Solutions

    Phenolphthalein works somewhat differently as it is naturally colorless but turns pink in alkaline solutions. The compounds remain colorless throughout the range of acidic pH levels but begin to turn pink at a pH level of 8.2 and continues to a bright purple in stronger alkalines.

     

  • Question 7/10
    1 / -0

    Anand's mother is Chandra's father's son's sister. Chandra's father has only two child. How is Chandra's father related to Anand?

    Solutions

    As per the above diagram, Chandra”s father is Anand's grandfather.

     

  • Question 8/10
    1 / -0

    Choose the alternative which is closely resembles the water image of the given combination/figure.

    Solutions

     

  • Question 9/10
    1 / -0

    A, B and C invest in a business in the ratio 4:5:7. C is a sleeping partner, so his share of profits will be half of what it would have been if he were a working partner. If they make Rs 36000 profit of which 25% is reinvested in the business, how much does B get in Rs?

    Solutions

    Investment -   A  : B :  C  
    Ratio-             4 :  5 :  7 
    If C is sleeping partner then raito becomes, A : B :C = 4 : 5 : 7/2
    A : B :C = 8 : 10 : 7 
    Total unit = 8+10+7 = 25
    If 25% is reinvested in the business remaining profit  = 3/4 × 36000 = 27000
    then, 25 unit = 27000
    10 unit  = 27000/25 × 10
    B = Rs. 10,800

     

  • Question 10/10
    1 / -0

    In 19th century who of the following have set the foundation for electrical lighting?

    Solutions

    At the beginning of 19th century, Sir Humphry Davy set foundations for electrical lightning. He performed an experiment with a battery and a platinum strip, which made a connected strip glow. That was the beginning of an incandescent light lamp.

     

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