Staff Selection Commission Combined Graduate Level Exam
Question : Direction: In the following question, select the missing number from the given responses.
Option 1: 444
Option 2: 515
Option 3: 343
Option 4: 373
Correct Answer: 343
Solution : In each figure, the number on the left side is the square of the number given at the bottom of the figure and on the right side is the cube of the number given at the bottom of the figure.
Figure 1: 92 =
Question : On 21 November 2022, who assumed charge as the new Election Commissioner (EC) of India?
Option 1: Manoj Kumar
Option 2: Rajiv Kumar
Option 3: Arun Goel
Option 4: Anup Chandra Pandey
Correct Answer: Arun Goel
Solution : Correct answer is Arun Goel
Arun Goyal assumed the role of Election Commissioner of India on November 21, 2022. He is an Indian Administrative Service officer from the 1985 batch. His appointment was initially challenged in the Supreme Court due to procedural concerns,
Question : Select the most appropriate meaning of the given idiom.
Lend an ear
Option 1: be good for a particular thing
Option 2: pay attention to
Option 3: not tell something to others
Option 4: not make trouble
Correct Answer: pay attention to
Solution : The correct choice is the second option.
The phrase lend an ear means to listen attentively or carefully while discussing a problem. Hence, the option, pay attention to is the correct meaning of the given idiom.
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. One’s options in this world are as (1) ___________________ as the horizon, which is technically a circle and thus (2) _______________ broad. Yet we must choose each step we take with (3) _______________ caution, for the footprints we leave (4) ___________ are as important as the (5) _____________ we will follow. They’re part of the same journey: our story. Select the most appropriate option to fill in the blank number 4.
Option 1: discarded
Option 2: surplus
Option 3: behind
Option 4: excessive
Correct Answer: behind
Solution : The most appropriate option is the third option.
Explanation: The sentence structure indicates that the footprints being left are connected to the steps taken. Therefore, the most fitting word to follow leave and complete the sentence is behind, indicating the location where footprints are left
Question : Select the most appropriate ANTONYM of the word given in brackets to fill in the blank.
Mr. Khanna is quite___________ (callous) towards the victims of the earthquake.
Option 1: rationalistic
Option 2: unsympathetic
Option 3: sympathetic
Option 4: nondiplomatic
Correct Answer: sympathetic
Solution : The correct answer is the third option.
Sympathetic means feeling, showing, or expressing sympathy whereas callous means showing or having an insensitive and cruel disregard for others.
The meanings of the other options are as follows:
Rationalistic: This term relates to a philosophical or religious
Question : Select the option that can be used as a one-word substitute for the given group of words Allowance given to a wife from her husband on separation.
Option 1: Allegory
Option 2: Alimony
Option 3: Affidavit
Option 4: Advocacy
Correct Answer: Alimony
Solution : The correct option is the second option.
Explanation: Alimony refers to the financial support or allowance that a husband provides to his wife after a legal separation or divorce. It is specifically related to the financial assistance or support given by one spouse to another,
Question : $\sin 600^\circ \cos 750^\circ+\sin 150^\circ \cos 240^\circ=?$
Option 1: $\frac{2}{3}$
Option 2: $1$
Option 3: $\frac{1}{2}$
Option 4: $-1$
Correct Answer: $-1$
Solution : $\sin 600^\circ \cos 750^\circ+\sin 150^\circ \cos 240^\circ$ $=\sin (540^\circ+60^\circ) \cos (720^\circ+30^\circ)+\sin (180^\circ-30^\circ) \cos (180^\circ+60^\circ)$ $= -\sin 60^\circ\cos 30^\circ + \sin 30^\circ ×(-\cos 60^\circ)$ $= (-\frac{\sqrt3}{2}$ ×$\frac{\sqrt3}{2})$ + $(\frac{1}{2} × \frac{-1}{2})$ $= \frac{-3}{4} -\frac{1}{4} = –1$ Hence, the correct answer is $-1$.
Question : For a sample data, mean = 60 and median = 48. For this distribution, the mode is:
Option 1: 18
Option 2: 48
Option 3: 36
Option 4: 24
Correct Answer: 24
Solution : Given: Mean = 60 Median = 48 We know, Mode = (3 Median – 2 Mean) ⇒ Mode = (3 × 48) – (2 × 60) ⇒ Mode = 144 – 120 $\therefore$ Mode = 24 Hence, the correct answer is 24.
Question : ABCD is a square inscribed in a circle of radius $r$. Then the total area (in square units) of the portions of the circle lying outside the square is:
Option 1: $\pi (r^{2}-4)$
Option 2: $2\pi (r ^{2}-1)$
Option 3: $\pi^{2} r(r-7)$
Option 4: $r^{2}(\pi -2)$
Correct Answer: $r^{2}(\pi -2)$
Solution :
Let the radius of the circle be $r$ units. Area of circle = $\pi r^2$ Diagonal of ABCD = BD = $2r$ units Area of square = $\frac{1}{2}\times \text{(BD)}^2$ = $\frac{1}{2}\times 4r^2$ = $2r^2$ Required difference = Area of the circle – Area of
Question : If $a^{3}+\frac{1}{a^{3}}=2$, then the value of $\frac{a^{2}+1}{a}$ is ($a$ is a positive number):
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : Given: $a^{3}+\frac{1}{a^{3}}=2$ ⇒ $a^{3}+\frac{1}{a^{3}}=2$ ⇒ $a^{6}+1 =2a^3$ ⇒ $a^{6}-2a^3+1=0$ ⇒ $(a^3-1)^2=0$ $a = 1$, the above equation is satisfied. Now putting $a = 1$, in the equation, we get $\frac{a^{2}+1}{a} = \frac{1^{2}+1}{1} = 2$ Hence, the correct answer is 2.
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