Staff Selection Commission Combined Graduate Level Exam
Question : Of the following commonly used materials, the one that is not an alloy is
Option 1: Steel
Option 2: Brass
Option 3: Bronze
Option 4: Copper
Correct Answer: Copper
Solution : The correct option is Copper.
Copper is a chemical element (symbol Cu) often used in its pure, elemental form. While copper can be alloyed with other elements to form alloys like brass (copper and zinc) and bronze (copper and tin), it is also used
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Education (1)_____ both the teaching and learning of knowledge, proper conduct, and technical competency. It thus (2)____ on the cultivation of skills, trades, or professions, as well as mental, moral, and aesthetic development. Formal education consists of systematic instruction, teaching, and training by (3)____ teachers. This consists of the application of pedagogy and the development of curricula. The right to education is a (4)_____ human right. Educational systems are established to provide education and (5)_______, often for children and the young.
Question:
Select the most appropriate option to fill in the blank number 3.
Option 1: general
Option 2: professional
Option 3: fresh
Option 4: new,
Correct Answer: professional
Solution : The correct choice is the second option.
Professional refers to individuals who are skilled, trained, and qualified in their respective fields. In the context of education, professional teachers are those who have undergone specific training or obtained degrees and certifications in education.
Hence, the
Question : The pie-chart shows the marks scored by a student in different skills in an examination: mathematical ability, verbal ability, reasoning, coding, and puzzle solving. The values are given in degrees. If the total marks were 3000, what were the marks for reasoning?
Option 1: 375
Option 2: 833
Option 3: 625
Option 4: 541
Correct Answer: 625
Solution : Given, the total marks in the exam $= 3000$ The central angle formed by reasoning is 75° So, the marks in reasoning $= \frac{75×3000}{360} = 625$ Hence, the correct answer is 625.
Question : 'ELISA' test is employed to diagnose :
Option 1: Polio virus
Option 2: AIDS antibodies
Option 3: Tuberculosis bacterium
Option 4: Cancer
Correct Answer: AIDS antibodies
Solution : The correct option is AIDS antibodies.
The ELISA (Enzyme-Linked Immunosorbent Assay) test for AIDS (HIV) antibodies works by detecting specific HIV antibodies in a blood sample.It involves immobilising HIV antigens on a solid surface and allowing blood antibodies to attach to them. A colour
Question : Directions: In the following question, find the odd letter cluster from the given alternatives.
Option 1: BDF
Option 2: NQS
Option 3: TVX
Option 4: HJL
Correct Answer: NQS
Solution : Let's check the options – First option: BDF; B + 2 = D; D + 2 = F Second option: NQS; N + 3 = Q; Q + 2 = S Third option: TVX; T + 2 = V; V + 2 = X Fourth
Question : Which of the following statements is correct? I. The value of $100^2-99^2+98^2-97^2+96^2-95^2+94^2$ $- 93^2+\ldots \ldots+22^2-21^2$ is 4840. II. The value of $\left(\mathrm{k}^2+\frac{1}{\mathrm{k}^2}\right)\left(\mathrm{k}-\frac{1}{\mathrm{k}}\right)\left(\mathrm{k}^4+\frac{1}{\mathrm{k}^4}\right)\left(\mathrm{k}+\frac{1}{\mathrm{k}}\right)\left(\mathrm{k}^4-\frac{1}{\mathrm{k}^4}\right) \text { is } \mathrm{k}^{16}-\frac{1}{\mathrm{k}^{16}}$.
Option 1: Neither I nor II
Option 2: Both I and II
Option 3: Only II
Option 4: Only I
Correct Answer: Only I
Solution : Statement I: The value of $100^2-99^2+98^2-97^2+96^2-95^2+94^2$ $-93^2+\ldots \ldots+22^2-21^2$ is 4840. Let us solve the series: $100^2-99^2+98^2-97^2+96^2-95^2+94^2$ $-93^2+\ldots \ldots+22^2-21^2$ $= (100+99)(100-99) + (98+97)(98-97) + .... + (22+21)(22-21)$$= 100 + 99 + 98 + 97 +.....+21$---------------(1) $=$ Sum of first 100 natural numbers - Sum of
Question : The average number of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score in his 100th inning so that his average of runs in 100 innings may be 100?
Option 1: 100
Option 2: 99
Option 3: 199
Option 4: 101
Correct Answer: 199
Solution : Given: Average runs are 99, total innings is 99 and new average is 100. According to the question, Let $x$ be the score in the 100th inning. The total runs scored in 99 innings = 99 × 99 Total runs scored in 100 innings
Question : Directions: A migrating bird flies 40 km north, then turns east and flies 50 km, then turns north and flies 110 km, and turns to its left and flies 50 km. Where is it now with reference to its starting position?
Option 1: 150 km south
Option 2: 150 km north
Option 3: 70 km north
Option 4: 70 km south
Correct Answer: 150 km north
Solution : As per the given information, the movement of the bird will look as follows –
The distance between the migrating bird's starting point and end point = 40 + 110 = 150 km
The distance between the migrating bird's starting and end points
Question : Direction: In each of the following questions, arrange the following words as per order in the dictionary.
1. Consume
2. Consciousness
3. Conscience
4. Conservation
5. Consequence
Option 1: 3, 2, 5, 4, 1
Option 2: 3, 1, 2, 5, 4
Option 3: 3, 5, 2, 4, 1
Option 4: 3, 2, 1, 5, 4
Correct Answer: 3, 2, 5, 4, 1
Solution : Given:
Start from Conscience because e comes before o
Conscience
Now, write Consciousness because c comes before e
Consciousness
Now, write Consequence because q comes before
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. You must / be hurry, / otherwise you will / miss the train.
Option 1: miss the train.
Option 2: be hurry,
Option 3: You must
Option 4: otherwise you will
Correct Answer: be hurry,
Solution : The error lies in the second option.
Explanation: Be hurry is not the correct collocation in English. In this context, must hurry serves as a directive phrase, indicating a strong recommendation or requirement to move quickly. It's a common way to express urgency or
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