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TNPSC Group 4 2019 question paper with answer key

2019 · G4

Questions 194 to 200 of 200

By TNPSC Guide editorial team · Last updated:

  1. Question 194

    Find the cube root of 1 61/64

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

    Correct answer: C. 5/4

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 74, question 194; final answer key 28.06.2021, S.No. 194: C)

  2. Question 195

    The ratios of the respective heights and the respective radii of two cylinders are 1 : 2 and 2 : 1 respectively. Then their respective volumes are in the ratio.

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

    Correct answer: C. 2 : 1

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 75, question 195; final answer key 28.06.2021, S.No. 195: C)

  3. Question 196

    At what rate of interest a sum of money doubles itself in 10 years in simple interest?

    1. A. 10%
    2. B. 20%
    3. C. 50%
    4. D. 25%
    Answer and explanation

    Correct answer: A. 10%

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 75, question 196; final answer key 28.06.2021, S.No. 196: A)

  4. Question 197

    In a Geometric progression t₂ = 3/5; t₃ = 1/5. Then the common ratio is

    1. A. 1/5
    2. B. 1/3
    3. C. 1
    4. D. 5
    Answer and explanation

    Correct answer: B. 1/3

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 76, question 197; final answer key 28.06.2021, S.No. 197: B)

  5. Question 198

    If a₁ = −1 then find a₂, a₃ in aₙ = aₙ₋₁/(n + 2), n > 1 ∀ n ∈ N.

    1. A. 1/4, 1/20
    2. B. −1/4, 1/20
    3. C. 1/4, −1/20
    4. D. −1/4, −1/20
    Answer and explanation

    Correct answer: D. −1/4, −1/20

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 76, question 198; final answer key 28.06.2021, S.No. 198: D)

  6. Question 199

    If 1 + 2 + ⋯ + n = K then 1³ + 2³ + ⋯ + n³ is equal to

    1. A. K²
    2. B. K³
    3. C. K(K + 1)/2
    4. D. (K + 1)³
    Answer and explanation

    Correct answer: A. K²

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 77, question 199; final answer key 28.06.2021, S.No. 199: A)

  7. Question 200

    The common ratio of the G.P. aᵐ⁻ⁿ, aᵐ, aᵐ⁺ⁿ is

    1. A. aᵐ
    2. B. a⁻ᵐ
    3. C. aⁿ
    4. D. a⁻ⁿ
    Answer and explanation

    Correct answer: C. aⁿ

    Final answer key

    Source: Combined Civil Services Examination-IV (Group-IV Services) 2018-2019 and 2019-2020, question booklet CCS4T/19 (booklet code AAA), General Tamil with General Studies, General Studies file (questions 101-200), published with the tentative answer key (CCS4T/19 page 77, question 200; final answer key 28.06.2021, S.No. 200: C)

Sources