Staff Selection Commission Combined Graduate Level Exam
Question : Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
A large number of student have participated in this music video.
Option 1: in this music video
Option 2: have participated
Option 3: of student
Option 4: A large number
Correct Answer: of student
Solution : The correct choice is the third option.
Explanation: In this case, "a large number of" doesn't change the fact that the subject is plural as it refers to multiple students. Therefore, the correct verb form should agree with the plural noun "students", requiring
Question : The blotting technique used to identify the isolated protein is
Option 1: Northern blotting
Option 2: Western blotting
Option 3: Southern blotting
Option 4: Cloning
Correct Answer: Western blotting
Solution : The correct option is Western blotting.
Western blotting is a laboratory technique used to detect and analyze specific proteins in a sample. It involves separating proteins by gel electrophoresis, transferring them to a membrane, and then using antibodies to visualize the target protein.
Question : If $\frac{x-a^{2}}{b+c}+\frac{x-b^{2}}{c+a}+\frac{x-c^{2}}{a+b} = 4(a+b+c)$, then $x$ is equal to:
Option 1: $(a+b+c)^{2}$
Option 2: $a^{2}+b^{2}+c^{2}$
Option 3: $ab+bc+ca$
Option 4: $a^{2}+b^{2}+c^{2}-ab-bc-ca$
Correct Answer: $(a+b+c)^{2}$
Solution : Let values of $a = 1, b = 1, c = 0$ $\frac{x-a^{2}}{b+c}+\frac{x-b^{2}}{c+a}+\frac{x-c^{2}}{a+b} = 4(a+b+c)$ Now, let us find the value of $x$ by substituting the values of $a$, $b$ and $c$. $\frac{x-1}{1}+\frac{x-1}{1}+\frac{x}{2}=4(2)$ ⇒ $(x-1)+(x-1)+\frac{x}{2}=8$ ⇒ $(2x-2)+\frac{x}{2}=8$ ⇒ $2(2x-2)+x=8\times 2$ ⇒ $4x-4+x=16$ ⇒ $5x=20$ ⇒
Question : The value of $\frac{146 \times 146 \times 146-143 \times 143 \times 143}{146 \times 146+143 \times 143+146 \times 143}$ is:
Option 1: 0
Option 2: 3
Option 3: 289
Option 4: 1
Correct Answer: 3
Solution : $\frac{146 \times 146 \times 146-143 \times 143 \times 143}{146 \times 146+143 \times 143+146 \times 143}$ $= \frac{146^3-143^3}{146^2+143^2+146 \times 143}$ $=\frac{(146-143)(146^2+143^2+146 \times 143)}{146^2+143^2+146 \times 143}$ $=146 - 143$ $=3$ Hence, the correct answer is 3.
Question : Directions: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. ABCD, HGLO, OLUZ, VQDK, ?
Option 1: RTQV
Option 2: CYQR
Option 3: CMVQ
Option 4: CVMV
Correct Answer: CVMV
Solution : Given: ABCD, HGLO, OLUZ, VQDK, ?
Add 7, 5, 9, and 11 to the place values of the first, second, third, and fourth letters respectively of the previous terms to get the next term in the series. First letter→A + 7 = H; H
Question : "India by the Nile",was a cultural festival celebrated by India and _______________.
Option 1: Sudan
Option 2: Kampala
Option 3: Egypt
Option 4: Kenya
Correct Answer: Egypt
Solution : The correct option is - Egypt.
India by Nile is a major annual cultural festival organised in Egypt. The main aim of the festival is to celebrate India's cultural diversity. It is one of the biggest foreign cultural festivals in Egypt.
Question : Directions: Out of the following five figures, four are alike in some manner and one differs from these in that manner. Select the odd figure.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : In the given series, the symbols inside the figure box are in a set pattern. For each of the figures, the symbols are in sequence of star, circle, parallel lines, and hash in a clockwise direction. Only the fourth figure in the series does not follow
Question : Which of the following countries won the highest number of gold medals in the Tokyo Paralympic 2020?
Option 1: Australia
Option 2: India
Option 3: China
Option 4: USA
Correct Answer: China
Solution : Correct answer is China
The Paralympics 2020 was held in Tokyo, Japan. The highest number of gold medals in the Paralympics 2020 was won by China, China won 96 gold medals with a total of 207 medals in the Paralympic Games of 2020. And second
Question : Directions: If DECEMBER is coded as EDECBMRE, then FEBRUARY will be coded as?
Option 1: EFRBUAYR
Option 2: EFBRAUYR
Option 3: EFRBUARY
Option 4: EFRBAUYR
Correct Answer: EFRBAUYR
Solution : Given: DECEMBER is coded as EDECBMRE.
Here, assign value to the letters and then check the position to which they are being shifted. Like, DECEMBER is written as EDECBMRE –
Question : Directions: After arranging the given words according to dictionary order, which word will come in fifth position? 1. Overload 2. Overplay 3. Overlook 4. Overlain 5. Overland
Option 1: Overlay
Option 2: Overplay
Option 3: Overload
Option 4: Overland
Correct Answer: Overplay
Solution : Given: 1. Overload 2. Overplay 3. Overlook 4. Overlain 5. Overland
Step 1: The first four letters of each word are the same – o, v, e, r, so move on to the next letter. Step 2: The fifth letter of
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