Staff Selection Commission Combined Graduate Level Exam
Question : Atmospheric temperature increasing at the higher altitudes is called
Option 1: Radiation
Option 2: Inversion
Option 3: Conduction
Option 4: Convection
Correct Answer: Inversion
Solution : The correct answer is Inversion.
Temperature inversion is a phenomenon in which temperature increases with increasing altitude. This phenomenon is visible in hilly areas and is the main reason for formation of fog. During the night time in hilly areas of higher latitudes have lower
Question : Union Minister of Petroleum and Natural Gas Hardeep Singh Puri inaugurated Asia’s largest Compressed Bio Gas (CBG) plant in ________.
Option 1: Gujarat
Option 2: Rajasthan
Option 3: Punjab
Option 4: Maharashtra
Correct Answer: Punjab
Solution : The correct answer is Punjab.
Union Minister Hardeep S. Puri inaugurated Asia's largest compressed biogas (CBG) plant in Sangrur, Punjab. It is a key milestone under the Sustainable Alternative Towards Affordable Transportation (SATAT) scheme.
Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series? BZVR, DXWQ, ?, HTYO, JRZN
Option 1: FXPV
Option 2: FXPN
Option 3: FVXP
Option 4: FVPX
Correct Answer: FVXP
Solution : Given: BZVR, DXWQ, ?, HTYO, JRZN
Add 2, and 1 to the first and the third letters respectively, and subtract 2 and 1 from the second and the fourth letters of the previous term to get the next term in the series. BZVR→B + 2
Question : Directions: Select the related letter cluster from the given alternatives. DBCE : QOPR :: JLKI : ?
Option 1: YWXU
Option 2: WYXV
Option 3: WXYV
Option 4: WYVX
Correct Answer: WYXV
Solution : Given: DBCE : QOPR :: JLKI : ?
Add 13 to the place value of each letter of DBCE to obtain the required code – D + 13 = Q; B + 13 = O; C + 13 = P; E + 13 = R
Question : If $(\sqrt 3 +1)^{2}=x+\sqrt 3 y$, then the value of $(x+y)$ is:
Option 1: 2
Option 2: 4
Option 3: 6
Option 4: 8
Correct Answer: 6
Solution : Given: $(\sqrt{3}+1)^2 = x+\sqrt{3}y$ ⇒ $(3+1+2\sqrt{3})=x+\sqrt{3}y$ ⇒ $(4+2\sqrt{3})=x+\sqrt{3}y$ Comparing both sides, we get $x=4$ and $y =2$. Thus, $(x+y)=(4+2)=6$ Hence, the correct answer is 6.
Question : If $3^{10} × 27^{2}= 9^{2}×3^{n}$, then the value of $n$ is:
Option 1: 10
Option 2: 12
Option 3: 15
Option 4: 30
Correct Answer: 12
Solution : Given: $3^{10} × 27^{2}= 9^{2}×3^{n}$ Simplify the given expression for the same base, $⇒3^{10} × (3^{3})^{2}= 9^{2}×3^{n}$ $⇒(3^{10+6})= (3^{2})^{2}×3^{n}$ $⇒3^{16}= 3^{4}×3^{n}$ $⇒3^{16}= 3^{4+n}$ By comparing this, $⇒16=4+n$ $\therefore n =12$ Hence, the correct answer is 12.
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'. He denied if he had caused the accident.
Option 1: not to had
Option 2: of having
Option 3: No improvement required
Option 4: that he had
Correct Answer: that he had
Solution : The correct choice is the fourth option.
The phrase if he had should be replaced with that he had to make the sentence grammatically accurate because the conjunction that is used to introduce the clause expressing what the person denied, followed by
Question : Direction: Study the bar diagram and answer the following question. The bar diagram shows the number of bicycles parked in the parking space of a hall at various points in time.
What is the average number of parked cycles as seen from the graph?
Option 1: 40
Option 2: 45
Option 3: 55
Option 4: 60
Correct Answer: 60
Solution : The number of cycles = 95 + 75 + 85 + 65 + 75 + 55 + 65 + 45 + 55 + 35 + 45 + 25 = 720 Total time = 12 hours The required average = $\frac{\text {Total number of cycles parked
Question : He was a Delhi Sultan who started the practice of Sijada and Paibos in the court. Who was he?
Option 1: Firuz Shah Tughlaq
Option 2: Ghiyasuddin Balban
Option 3: Iltutmish
Option 4: Ibrahim Lodi
Correct Answer: Ghiyasuddin Balban
Solution : The correct answer is Ghiyasuddin Balban.
Ghiyasuddin Balban was the first Sultan of Delhi to implement the 'Sijda' practice. He established Sijda (prostration) and Paibos as the standard form of King Salutation. To greet the Sultan, people had to kneel and touch the ground
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
The burglar (broke in) the shop last night.
(1) broke
(2) broke through
(3) broke into
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
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