Staff Selection Commission Combined Graduate Level Exam
Question : Dactylogram is related with :
Option 1: teleprinter
Option 2: perumbulator
Option 3: cereals
Option 4: finger print
Correct Answer: finger print
Solution : The correct answer is fingerprint.
Dactylogram is a fingerprint of the person and Dactylography is the study of fingerprints. In forensic science fingerprints are a reliable method of establishing the identity of a person and this process is known as Dectyloscopy. It was discovered
Question : Which one of the following endocrine gland is situated in the neck ?
Option 1: Pancreas
Option 2: Thyroid
Option 3: Pituitary
Option 4: Adrenals
Correct Answer: Thyroid
Solution : The correct answer is Thyroid.
The thyroid gland is an endocrine gland found in the neck. It generates the hormones thyroxine (T4) and triiodothyronine (T3) and is found immediately below the Adam's apple. These hormones are responsible for metabolism, growth, and development.
Question : Direction: In each of the following question, select the missing number from the given responses.
Option 1: 146
Option 2: 128
Option 3: 136
Option 4: 148
Correct Answer: 146
Solution : Given:
In the first column, (7)² + (5)² + (3)² = 49 + 25 + 9 = 83
In the second column, (6)² + (4)² + (2)² = 36 + 16 + 4
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.
In ancient times, Hieun Tsang, a Chinese traveller came to India during the (1)______ of King Harsha. He praised the Indians (2)______ 'people with pure moral principles’. In 2014, India (3)______ 85th in the corruption perception index of the Transparency International. What (4)______ downfall! Isn’t it ironical that we Indians (5)______ by the ideals of honesty and integrity, self-denial and (6)______ but in practice willingly resort to the (7) ______ forms of corruption to promote our interests? The (8)______ of corruption is eating into the (9) ______ of our society and we have become helpless (10)______ of our own degradation.
Question:
Select the most appropriate option to fill in the blank no. 1.
Option 1: authoritative
Option 2: reign
Option 3: command
Option 4: vigour
Correct Answer: reign
Solution : The correct choice is the second option.
Reign means to hold royal office, or rule as a monarch. It helps convey the intended meaning that a Chinese traveller came to India during the rule of King Harsha.
Question : Directions: In the following question, out of the four alternatives, select the one that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
The young man was carried by the passionate appeal made by the social worker.
(1) was carried towards
(2) was carried off by
(3) got carried away by
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The correct answer is the third option because in the third option 'got carried away' is a phrasal verb which means to get overly engrossed due to excitement or enthusiasm. It completes the intended meaning of the sentence.
Therefore the complete statement is ''The young
Question : If $x+\frac{1}{x}=\sqrt{3}$, the value of $(x^{18}+x^{12}+x^{6}+1)$ is:
Option 1: 0
Option 2: 1
Option 3: 2
Option 4: 3
Correct Answer: 0
Solution : Given: $x+\frac{1}{x}=\sqrt{3}$ (equation 1) We know that the algebraic identity is $(x+\frac{1}{x})^3=x^3+\frac{1}{x^3}+3(x+\frac{1}{x})$ $x+\frac{1}{x}=\sqrt{3}$ Take the cube on both sides of the above equation, we get, $(x+\frac{1}{x})^3=(\sqrt{3})^3$ $x^3+\frac{1}{x^3}+3(x+\frac{1}{x})=3\sqrt{3}$ Substitute the value from equation 1 in the above equation and we get, $x^3+\frac{1}{x^3}+3\sqrt{3}=3\sqrt{3}$ $x^3+\frac{1}{x^3}+3\sqrt{3}–3\sqrt{3}=0$ $x^6+1=0$ $x^6=–1$ The
Question : If the surface area of a sphere is $1386 \mathrm{~cm}^2$, then its volume is: (Take $\pi=\frac{22}{7}$ )
Option 1: 8451 cm3
Option 2: 4851 cm3
Option 3: 5418 cm3
Option 4: 4581 cm3
Correct Answer: 4851 cm3
Solution : The surface area of the sphere = 1386 cm$^2$ Surface area of a sphere = $4\pi r^2$ ⇒ $4\pi r^2$ = 1386 ⇒ $4 × (\frac{22}{7}) × r^2$ = 1386 ⇒ $r = \frac{21}{2}$ cm Volume of a sphere = $(\frac{4}{3})\pi r^3$ =
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'. The doors and windows will have painted by afternoon.
Option 1: no improvement required
Option 2: will be painting
Option 3: would been painted
Option 4: will have been painted
Correct Answer: will have been painted
Solution : The correct choice is the fourth option.
The sentence is in the future perfect tense, indicating an action that will be completed in the future before a specified time, in this case, the afternoon. To form the future perfect tense
Question : The difference between the compound interest and simple interest on Rs. 5,000 for 2 years at 8% per annum payable yearly is:
Option 1: Rs. 30
Option 2: Rs. 31
Option 3: Rs. 33
Option 4: Rs. 32
Correct Answer: Rs. 32
Solution : Principal Amount, $P$= Rs. 5000 Rate of interest, $R$ = 8% Time period, $T$ = 2 years Difference between compound interest and simple interest for 2 years = $\frac{{PR^2}}{100^2}$ = $\frac{{5000 × 8^2}}{100^2}$ = $\frac{{50 × 64}}{100}$ = Rs. 32 Hence, the correct answer
Question : dynamo is a device for converting
Option 1: heat energy into electrical energy
Option 2: mechanical energy into electrical energy
Option 3: megnetic energy into electrical energy
Option 4: chemical energy into electrical energy
Correct Answer: mechanical energy into electrical energy
Solution : The correct answer is converts mechanical energy into electrical energy.
Dynamo is an electrical generator which converts mechanical energy of rotation into electric energy in the form of current. It is formed by placing a conducting wire between the north and
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