Staff Selection Commission Combined Higher Secondary Level Exam
Question : Select the most appropriate synonym of the underlined word.
She was completely baffled by his strange behaviour.
Option 1: confused
Option 2: unfazed
Option 3: relieved
Option 4: angered
Correct Answer: confused
Solution : The correct choice is the first option.
Explanation:
Confused: This synonym accurately conveys the meaning of being bewildered or puzzled by his strange behaviour.
The meanings of the other options are as follows:
Unfazed: This option means not being disturbed or perturbed, which
Question : If $x, y,$ and $z$ are three sums of money such that y is the simple interest on $x$ and $z$ is the simple interest on $y$ for the same time and at the same rate of interest, then we have:
Option 1: $z^{2}=xy$
Option 2: $xyz=1$
Option 3: $x^{2}=yz$
Option 4: $y^{2}=zx$
Correct Answer: $y^{2}=zx$
Solution : Let the time be $t$ years and the rate of interest be $R$. We know, Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ According to the question, Case(I): $y=\frac{x\times R\times t}{100}$-------------(i) Case(II): $z=\frac{y\times R\times t}{100}$------------(ii) By dividing equation (i) by equation (ii), we get, $\frac{y}{z}=\frac{x\times
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
As soon as they (1)/ entered the temple (2)/ they prayed to the gods on bent knees. (3)/ No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
On bent knees should be replaced with on bended knees as this idiom means to be kneeling to pray. Outside this usage, "bended" is not correct and should be avoided. This idiom is generally used when you
Question : If $x>1$ and $x+\frac{1}{x}=2\frac{1}{12}$, then the value of $x^{4}-\frac{1}{x^{4}}$ is:
Option 1: $\frac{58975}{20736}$
Option 2: $\frac{59825}{20736}$
Option 3: $\frac{57985}{20736}$
Option 4: $\frac{57895}{20736}$
Correct Answer: $\frac{58975}{20736}$
Solution : Given that: $x+\frac{1}{x}=\frac{25}{12}$ ⇒ $12(x^2+1)=25x$ ⇒ $12x^2-25x+12=0$ ⇒ $12x^2-25x+12=0$ ⇒ $12x^2-16x-9x+12=0$ ⇒ $(4x-3)(3x-4)=0$ ⇒ $x=\frac{4}3$ since $x>1$ $\therefore x^4-\left(\frac{1}{x}\right)^4$ Substituting the values, $x^4-\left(\frac{1}{x}\right)^4= (\frac{4}3)^4-(\frac{3}4)^4$ $= \frac{256}{81}-\frac{81}{256}$ $= \frac{58975}{20736}$ Hence, the correct answer is $\frac{58975}{20736}$.
Question : Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence.
P. provided it is technologically accessible, economically feasible.
Q. which can be used to satisfy our needs.
R. and culturally acceptable can be termed as 'Resource'.
S. everything available in our environment.
Option 1: SPRQ
Option 2: SQPR
Option 3: QRSP
Option 4: QSPR
Correct Answer: SQPR
Solution : The correct choice is the second option: SQPR.
The sentence starts with part (S), which introduces the idea that everything available in our environment can be used to satisfy our needs, and is followed by part (Q), which is the continuation of that idea.
Question : Amino acids are required for the synthesis of:
Option 1: Alkaloids
Option 2: Lipids
Option 3: Proteins
Option 4: Carbohydrates
Correct Answer: Proteins
Solution : The correct answer is Proteins.
Proteins are the building blocks of life, and they are formed by the polymerisation of amino acids. There are majorly 20 different types of amino acids that are essential for the human body to function. For example: Lysine, Histidine,
Question : Which among the following states ranked 1st amongst "Achievers" states in the Logistics Ease Across Different States (LEADS) Report 2022?
Option 1: Maharashtra
Option 2: Assam
Option 3: Tamil Nadu
Option 4: Andhra Pradesh
Correct Answer: Maharashtra
Solution : The correct option is Maharashtra.
The Logistics Ease Across Different States (LEADS) report for 2022, which was released in New Delhi by Minister of Commerce and Industries Piyush Goyal, included Maharashtra as one of the "achievers." For this year's ranking, the states are divided
Question : The "Recall Provision" to remove the elected office bearers from the local self-government institution has been executed in:
Option 1: Bihar
Option 2: Kerala
Option 3: Madhya Pradesh
Option 4: Punjab
Correct Answer: Madhya Pradesh
Solution : The correct answer is Madhya Pradesh.
Right to recall is a provision that exists in the local bodies of Madhya Pradesh, Chhattisgarh and Haryana. This provision allows people who participated in the election of office bearers to recall them from their positions if they
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."
(Really) speaking, no man is perfect.
(1) Strictly
(2) Slightly
(3) Vaguely
(4) No Improvement
Correct Answer: (1)
Solution : The correct improvement for the sentence is the first option.
This word implies a higher degree of emphasis and seriousness. When we say "strictly speaking", we emphasise the fact being stated, in this case, that no man is perfect. It adds a sense
Question : If $\small x=a\left (b-c \right),\; y=b\left (c-a \right) ,\; z=c\left (a-b \right)$, then the value of $\left (\frac{x}{a} \right)^{3}+\left (\frac{y}{b} \right)^{3}+\left (\frac{z}{c} \right)^{3}$ is:
Option 1: $\frac{2xyz}{abc}$
Option 2: $\frac{xyz}{abc}$
Option 3: $0$
Option 4: $\frac{3xyz}{abc}$
Correct Answer: $\frac{3xyz}{abc}$
Solution : Given: $x=a\left (b-c \right),\; y=b\left (c-a \right) ,\; z=c\left (a-b \right)$ $\left (\frac{x}{a} \right )^{3}+\left (\frac{y}{b} \right )^{3}+\left (\frac{z}{c} \right)^{3}$ = $ (b-c)^3+(c-a)^3+(a-b)^3$ Since $\left (\frac{x}{a} \right )+\left (\frac{y}{b} \right )+\left (\frac{z}{c} \right)$ = $ (b-c)+(c-a)+(a-b)=0$ Use identity: $x^3+y^3+z^3=3xyz$ if $x+y+z=0$ So, $\left (\frac{x}{a} \right
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