Staff Selection Commission Combined Higher Secondary Level Exam
Question : Select the option that expresses the given sentence in active voice.
The dog was run over by a truck.
Option 1: A truck had run over the dog.
Option 2: A truck runs over the dog.
Option 3: A truck has run over the dog.
Option 4: A truck ran over the dog.
Correct Answer: A truck ran over the dog.
Solution : The correct option is "A truck ran over the dog."
Explanation: In active voice, the subject performs the action. Here, "a truck" is the subject, and it performs the action of running over the dog. This construction is more direct
Question : If $a+b=12, ab=22$, then $(a^2+b^2)$ is equal to:
Option 1: 188
Option 2: 144
Option 3: 34
Option 4: 100
Correct Answer: 100
Solution : Given: $a+b=12, ab=22$ We know, $(a+b)^2=a^2+b^2+2ab$ Putting the values, we get: $⇒12^2=a^2+b^2+2×22$ $\therefore a^2+b^2=100$ Hence, the correct answer is 100.
Question : A candidate who gets 20% marks in an examination, fails by 30 marks. But if he gets 32% marks, he gets 42 marks more than the minimum pass marks. Find the pass percentage of marks.
Option 1: 52%
Option 2: 20%
Option 3: 25%
Option 4: 12%
Correct Answer: 25%
Solution : Let the maximum marks be $x$. So, the passing mark = 20% of $x$ + 30 Also, the passing mark = ($\frac{32}{100} × x) - 42$ According to the question, ($\frac{20}{100} × x)+30$ = ($\frac{32}{100} × x) - 42$ ⇒ ($\frac{12}{100} × x) = 72$
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.
Nainital has a 1. _____ lake. Tourists come from far and wide to 2. _____ boating here. There is a skating place behind it. People who skate here say that the ride seems to go around with them. Evenings are also pleasant here. The 3. _____ of the electric lights look as if they are dancing in the ripples of the lake. Truly, Nainital is an 4. _____ city of 5. _____ beauty.
Question: Select the most appropriate option for blank 1.
Option 1: sagacious
Option 2: beautiful
Option 3: pleasing
Option 4: alluring
Correct Answer: beautiful
Solution : The correct choice is the second option.
Beautiful describes something that possesses qualities that delight the senses, especially visually, resulting in admiration or pleasure.
The meanings of the other options are as follows:
Question : If two pipes function simultaneously, a tank is filled in 12 hours. One pipe fills the tank 10 hours faster than the other. How many hours does the faster pipe alone take to fill the tank?
Option 1: 20 hours
Option 2: 18 hours
Option 3: 15 hours
Option 4: 12 hours
Correct Answer: 20 hours
Solution : Let the slower pipe alone can fill the tank in $x$ hours. Then, faster pipe alone can fill the tank in ($x$ – 10) hours. Part of the tank filled by the slower pipe in 1 hour = $\frac{1}{x}$ Part of the tank filled
Question : The example of hermaphrodite animal in which cross fertilzation occurs is:
Option 1: Hydra
Option 2: Ascaris
Option 3: Earthworm
Option 4: Silkworm
Correct Answer: Earthworm
Solution : The correct answer is Earthworm.
Earthworms have both male and female reproductive organs, making them hermaphrodites. They cannot, however, self-fertilize. They instead share sperm with each other during copulation.Cross-fertilization is required for offspring to be produced. This is due to the fact that hermaphrodite sperm
Question : If $\left(w+\frac{1}{w}\right)=6$, then what will be the value of $\left(w-\frac{1}{w}\right)?$
Option 1: $4 \sqrt{2}$
Option 2: $\sqrt{2}$
Option 3: $3 \sqrt{2}$
Option 4: $2 \sqrt{2}$
Correct Answer: $4 \sqrt{2}$
Solution : Given: $\left(w+\frac{1}{w}\right)=6$ Squaring both sides, we have, ⇒ $\left(w+\frac{1}{w}\right)^{2}=6^{2}$ ⇒ $w^{2}+\frac{1}{w^{2}}+2=36$ ⇒ $w^{2}+\frac{1}{w^{2}}=34$ ⇒ $w^{2}+\frac{1}{w^{2}}-2=34-2$ ⇒ $(w-\frac{1}{w})^{2}=32$ ⇒ $(w-\frac{1}{w})=\sqrt{32}$ $\therefore(w-\frac{1}{w})=4\sqrt{2}$ Hence, the correct answer is $4\sqrt{2}$.
Question : Article 370 of the Indian Constitution is about:
Option 1: special status to Kashmir
Option 2: Hindi is an official language
Option 3: Fundamental Rights
Option 4: Fundamental Duties of every citizen
Correct Answer: special status to Kashmir
Solution : The correct answer is special status to Kashmir.
Article 370 is a constitutional clause that grants special status to Jammu and Kashmir. The essential aspect of Article 370 was that the central legislation established by Parliament did not automatically apply
Question : Select the option that expresses the given sentence in passive voice.
Moti has thrown the balls.
Option 1: The balls were thrown by Moti.
Option 2: The balls have been thrown by Moti.
Option 3: The balls were being thrown by Moti.
Option 4: The balls had been thrown by Moti.
Correct Answer: The balls have been thrown by Moti.
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in
Question : A _____ is a high - speed network that connect local network in a city or town.
Option 1: LAN
Option 2: MAN
Option 3: WAN
Option 4: TAN
Correct Answer: MAN
Solution : The correct option is MAN.
A "Metropolitan Area Network" (MAN) links local networks inside a city or town. MANs are intended to cover a broader geographic area than a LAN but are less in scope when compared to a WAN, which may stretch over bigger
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