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SSC CHSL Exam Test 172
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SSC CHSL Exam Test 172

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  • Question 1/12
    1 / -0
    In the following question, select the odd number from the given alternatives.
    Solutions
    Option D is not the multiple of seven. But option A, B and C are multiple of seven. 
    63 = 7 × 9
    56 = 7 × 8
    21 = 7 × 3
    Hence, option D is the correct response.
  • Question 2/12
    1 / -0
    How many triangles are there in the given figure?
    Solutions

    The triangles that we get from the given figure are,
    BCG, BGH, BCH, BDH, BDG, BDC, ABD, AFD, AED, AEB, AFB, DEF, DBF, EBF and DFH
    Thus we get 15 triangles.

    Hence, option B is correct.
  • Question 3/12
    1 / -0
    If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?
    Solutions
    The mirror image will be,

    Hence, option B is the correct response.
  • Question 4/12
    1 / -0
    Where is the Hindustan Anti-biotics plant located ?
    Solutions
    • It is located in Rishikesh, Uttrakhand.
    • It was established in 1967.
    • The plant has a modern Biological Treatment Plant (BTP) with 14000 cum / day treating capacity.
    • Rishikesh plant has received the National Award for prevention of pollution -1992 from the President of India on 6 August, 1994.
  • Question 5/12
    1 / -0
    A voltmeter in a circuit diagram is represented by which letter?
    Solutions
    A voltmeter in a circuit diagram is represented by the letter V in a circle.
    ● A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit.
    ● Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.
  • Question 6/12
    1 / -0
    The 2021 census is the _______ census of India.
    Solutions

    ● 2021 census is the 16th census of India.

    ● NPR will also be linked with this census.

    ● The reference date will be 1st March 2021 in most of the country and 1st October 2020 for Jammu and Kashmir.

    ● 15th census of India was conducted in 2011.

  • Question 7/12
    1 / -0
    The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members?
    Solutions
    Given: Average age of 120 members of a society is 60.7 years and by addition of 30 new members, the average age becomes 56.3 years.
    Let the average age of the new members be x years, then according to the question

    ⇒ 7284 + 30x = 8445
    ⇒ 30x = 1161
    ⇒ x = 38.7 years
  • Question 8/12
    1 / -0
    Find the value of ‘a’ in the following:

    Solutions
    Given,

    Solving the L.H.S.,
    According to the VBODMAS rule,
    Where, V=Vinculum/bar should be solved first i.e.,








    ⇒ 292/100
    On equating L.H.S.=R.H.S., we get,
    ⇒ 292 = 146a
    ∴ ⇒ a=2
  • Question 9/12
    1 / -0
    In one litre of a mixture of alcohol and water, water is 30%. The amount of alcohol that must be added to the mixture so that the part of the water in the mixture becomes 15% is:
    Solutions
    In a mixture amount of water = 30% of 1 L = 300 ml
    Hence amount of alcohol in mixture = 70% of 1L = 700 ml
    Let x ml of alcohol is added in mixture, then volume of mixture = (1000+X) ml
    Now amount of alcohol in mixture = (700+X) ml
    It is given that 300 ml of (1000+X) ml is 15%
    Therefore

    ⇒ 3000 + 3x = 20 x 300
    ⇒ 3x = 6000 - 3000 = 3000 ml
    ⇒ x = 1000 ml 
    Hence 1000ml of alcohol is added in the mixture.
  • Question 10/12
    1 / -0

    Directions For Questions

    In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select 'No error'.

    ...view full instructions

    If the weather does not turns (A)/ colder by next weekend, (B)/ we shall try visiting your house. (C)/ No error

    Solutions
    With "does" plural form of the verb is used. Therefore "turns" should be replaced by "turn".
  • Question 11/12
    1 / -0

    Directions For Questions

    Select the most appropriate meaning of the given idiom.

    ...view full instructions

    The representatives of the two states tried to enforce a treaty which was a dead letter.
    Solutions
    The idiom "a dead letter" means a law or treaty which has not been removed but is ineffectual or defunct in practice. Thus, option B conveys the best meaning of the idiom.
  • Question 12/12
    1 / -0

    Directions For Questions

    In the following question, out of the five alternatives, select the word opposite in meaning to the given word.

    ...view full instructions

    To impair

    Solutions
    Debilitate = to make (someone) very weak and infirm.

    Mar = to impair the quality or appearance of; spoil.

    Blunt = not having a sharp edge or point.

    Mend = to repair.

    Impair = weaken or damage (something, especially a faculty or function).

    Hence, "To mend" is the correct answer.

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