Staff Selection Commission Combined Graduate Level Exam
Question : Direction: If '+' means '-', '-' means 'x', 'x' means '/', '/' means '+', which combination will give you the value of '0' in 42 _ 4 _ 12 _ 20 _ 9?
Option 1: - / x +
Option 2: / + - x
Option 3: + - / x
Option 4: x - / +
Correct Answer: - / x +
Solution : Given:
42 _ 4 _ 12 _ 20 _ 9 = 0.
By substituting the signs '+' means '-', '-' means 'x', 'x' means '/', '/' means '+', in all the options for the given equation-
Option first: - / x +.
Question : The major harmful gas emitted by automobile vehicle which causes air pollution is
Option 1: Carbon monoxide
Option 2: Methane
Option 3: Carbon dioxide
Option 4: Ozone gas
Correct Answer: Carbon monoxide
Solution : The correct answer is carbon monoxide.
Carbon monoxide is a harmful colourless gas which is released by the incomplete combustion of fossil fuels in automobiles. It is harmful for human beings as it has high affinity with haemoglobin molecules and forms a stable compound,
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 tribe lived (with) different customs.
(1) on
(2) by
(3) through
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option.
The preposition "with" is used correctly. It indicates that the tribe lived while possessing or having different customs.
Therefore, the correct answer is: No improvement.
Question : Directions: In the following questions, select the related number from the given alternatives. 34 : 81 :: 23 : ?
Option 1: 8
Option 2: 16
Option 3: 4
Option 4: 12
Correct Answer: 8
Solution : Given: 34 : 81 :: 23 : ?
The number is in the form of base power, where the first digit is the base and the second digit is the power of the given pair. 34 : 81→(3)4 = 3 × 3 × 3
Question : If $\sin \theta=\frac{8}{17}$, where $\theta$ is an acute angle, then what is the value of $\tan \theta+\cot \theta ?$
Option 1: $\frac{217}{110}$
Option 2: $\frac{281}{190}$
Option 3: $\frac{289}{120}$
Option 4: $\frac{512}{321}$
Correct Answer: $\frac{289}{120}$
Solution : Given, $\sin \theta=\frac{8}{17}$ We know that $\sin^2 \theta + \cos^2 \theta=1$. So, $(\frac{8}{17})^2+ \cos^2 \theta=1$ $⇒\cos^2 \theta = 1 - \frac{64}{289}$ $⇒\cos^2 \theta = \frac{225}{289}$ $⇒\cos \theta = \frac{15}{17}$ Now, $\tan \theta+\cot \theta = \frac{\sin \theta}{\cos \theta}+\frac{\cos \theta}{\sin \theta}$ $⇒\tan \theta+\cot \theta = \frac{\sin^2 \theta
Question : Name the first cricketer to score 1000 runs in an innings in any competitive match ?
Option 1: Prithvi Shaw
Option 2: Pranav Dhanawade
Option 3: Virat Kohli
Option 4: Shikhar Dhawan
Correct Answer: Pranav Dhanawade
Solution : The correct option is - Pranav Dhanawade.
Cricketer Pranav Dhanawade was born in Kalyan, Maharashtra, in the year 2000. He made history by scoring more than 1,000 runs in one innings while batting between January 4 and January 7, 2016, in an official match.
Question : Select the INCORRECTLY spelt word.
Option 1: Dearth
Option 2: Acceptible
Option 3: Corrupt
Option 4: Barely
Correct Answer: Acceptible
Solution : The misspelt word is the second option.
The word "acceptable" means something that can be agreed upon or is suitable and is the wrongly spelt word in the given choices.
The meanings of the other options are as follows:
Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 7 : 35 :: 21 : 399 :: 4 : ?
Option 1: 24
Option 2: 20
Option 3: 8
Solution : Given: 7 : 35 :: 21 : 399 :: 4 : ?
Like, (7)2 – (7 × 2) = 49 – 14 = 35 (21)2 – (21 × 2) = 441 – 42 = 399 Similarly, (4)2 – (4 × 2) =
Question : Who was the Delhi Sultan to impose Jizya even on the Brahmins ?
Option 1: Ala- ud - din- Khilji
Option 2: Firuz Tughluq
Option 3: Muhammad Tughluq
Option 4: Balban
Correct Answer: Firuz Tughluq
Solution : Correct Answer is Firuz Tughluq
Historically, the Jizyah tax was a per-capita annual tax imposed on non-Muslims called the ‘dhimma.’ Women, children, old people, disabled, ill, insane, monastic, hermit, etc. were exempt from the tax. The Delhi sultan, known as the ‘kindest’ of the
Question : The sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. Another boy tried his luck and won a comb, a fountain pen, a wristwatch, and a table lamp one after the other in the many chances that he played. B. An old man won a beautiful clock. The old man did not want the clock, so the shopkeeper took it back and paid 15 rupees to the old man. C. Bhaiya encouraged him, but Rasheed was not lucky when he tried his luck. He won only cheap items like pencils and an ink bottle, and soon lost all his money. D. He sold all the items to the shopkeeper and went away happily. Rasheed also wanted to play and try his luck.
Option 1: BADC
Option 2: DCAB
Option 3: BDCA
Option 4: BCDA
Correct Answer: BADC
Solution : The first option is the correct choice.
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