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TNPSC Group 4 2018 question paper with answer key

2018 · G4

Questions 168 to 178 of 200

By TNPSC Guide editorial team · Last updated:

  1. Question 168

    If x, 2x + 2, 3x + 3 are in G.P, then 11x, 22x + 22, 33x + 33 form

    1. A. an A.P.
    2. B. a G.P.
    3. C. a constant sequence
    4. D. Neither A.P. nor a G.P.
    Answer and explanation

    Correct answer: B. a G.P.

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 64, question 168; final answer key 23.02.2021, S.No. 168: B)

  2. Question 169

    The sum of three numbers is 264 if the first number be twice the second and third number be one-third of the first, then the second number is

    1. A. 48
    2. B. 72
    3. C. 54
    4. D. 64
    Answer and explanation

    Correct answer: B. 72

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 64, question 169; final answer key 23.02.2021, S.No. 169: B)

  3. Question 170

    If 1² + 2² + 3² + ..... + 10² = 385 then 2² + 4² + 6² + .... + 20² is

    1. A. 770
    2. B. 1150
    3. C. 1540
    4. D. 385 × 385
    Answer and explanation

    Correct answer: C. 1540

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 65, question 170; final answer key 23.02.2021, S.No. 170: C)

  4. Question 171

    In the ratio x % of y to y % of x, its fraction value is equals to

    1. A. 1/xy
    2. B. xy
    3. C. x/y
    4. D. 1
    Answer and explanation

    Correct answer: D. 1

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 65, question 171; final answer key 23.02.2021, S.No. 171: D)

  5. Question 172

    Arun is now half as old as his father. Twelve years ago the father’s age was three times as old as Arun. Now the present age of his father’s age is

    1. A. 24 years
    2. B. 36 years
    3. C. 48 years
    4. D. 50 years
    Answer and explanation

    Correct answer: C. 48 years

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 65, question 172; final answer key 23.02.2021, S.No. 172: C)

  6. Question 173

    If a, b, c are in A.P., then 3ᵃ, 3ᵇ, 3ᶜ are in

    1. A. A.P.
    2. B. G.P.
    3. C. A.P. and G.P.
    4. D. None of these
    Answer and explanation

    Correct answer: B. G.P.

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 66, question 173; final answer key 23.02.2021, S.No. 173: B)

  7. Question 174

    If −1 < r < 1, then the sum of infinite number of a geometric series is

    1. A. a(rⁿ − 1)/(r − 1)
    2. B. a(1 − rⁿ)/(1 − r)
    3. C. a/(1 − r)
    4. D. na
    Answer and explanation

    Correct answer: C. a/(1 − r)

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 66, question 174; final answer key 23.02.2021, S.No. 174: C)

  8. Question 175

    The angle in a semi circle is a ________.

    1. A. acute angle
    2. B. obtuse angle
    3. C. straight angle
    4. D. right angle
    Answer and explanation

    Correct answer: D. right angle

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 66, question 175; final answer key 23.02.2021, S.No. 175: D)

  9. Question 176

    If a/3 = b/4 = c/7 then (a + b + c)/c is

    1. A. 7
    2. B. 2
    3. C. 1/2
    4. D. 1/7
    Answer and explanation

    Correct answer: B. 2

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 67, question 176; final answer key 23.02.2021, S.No. 176: B)

  10. Question 177

    Which is biggest ratio? 2:3, 3:5, 4:7, 5:8

    1. A. 3:5
    2. B. 4:7
    3. C. 5:8
    4. D. 2:3
    Answer and explanation

    Correct answer: D. 2:3

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 67, question 177; final answer key 23.02.2021, S.No. 177: D)

  11. Question 178

    ________ is the first Indian city to get its own logo.

    1. A. Pune
    2. B. Bengaluru
    3. C. Chennai
    4. D. Delhi
    Answer and explanation

    Correct answer: B. Bengaluru

    Final answer key

    Source: Combined Civil Services Examination-4 (Group-IV Services) 2015-2016, 2016-2017 and 2017-2018, question booklet CCSFT, General Tamil with General Studies (SSLC STD), General Studies file (questions 101-200), published with the tentative answer key (CCSFT page 67, question 178; final answer key 23.02.2021, S.No. 178: B)

Sources