Staff Selection Commission Combined Higher Secondary Level Exam
Question : The ratio of three positive numbers is 2 : 3 : 5 and the sum of their squares is 608. The three numbers are:
Option 1: 2, 3 and 5
Option 2: 10, 15 and 25
Option 3: 8, 12 and 20
Option 4: 4, 6 and 10
Correct Answer: 8, 12 and 20
Solution : Given: The ratio of three positive numbers is 2 : 3 : 5. The sum of their squares is 608. Let the number be $2x, 3x$ and $5x$. As per the given conditions, $(2x)^{2}+(3x)^{2}+(5x)^{2}=608$ ⇒ $4x^{2}+9x^{2}+25x^{2}=608$ ⇒ $38x^{2}=608$ ⇒ $x^{2}=\frac{608}{38}=16$ ⇒ $x^{2}=16$
Question : In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the idiom or phrase. The whole ball of wax
Option 1: Everything
Option 2: Sagacious
Option 3: Meagre
Option 4: Complete disaster
Correct Answer: Everything
Solution : The correct choice is the first option.
The idiom "the whole ball of wax" means "everything".
This option accurately represents the meaning of the idiom. "The whole ball of wax" is equivalent to "everything" in a given context.
The meanings of the other options
Question : Tropic of Cancer (23°30'N) passes through _____________state of India.
Option 1: Punjab
Option 2: Maharashtra
Option 3: Chhattisgarh
Option 4: Kerala
Correct Answer: Chhattisgarh
Solution : The correct option is Chhattisgarh.
The Tropic of Cancer passes through the Indian state of Chhattisgarh. It also passes through Gujarat, Rajasthan, Madhya Pradesh, Jharkhand, West Bengal, and Tripura. The Tropic of Cancer is an imaginary circle of latitude approximately 23.5 degrees north of the
Question : Which type of surveillance is specifically aimed at identifying missing cases of disease?
Option 1: Overt surveillance
Option 2: Passive surveillance
Option 3: Active surveillance
Option 4: Sentinel surveillance
Correct Answer: Sentinel surveillance
Solution : The correct option is Sentinel surveillance.
Sentinel surveillance is a specific type of surveillance system used in public health to monitor the occurrence of specific diseases. While sentinel surveillance can help in detecting outbreaks and trends, its main focus is on monitoring specific
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
Kamal’s suggestion was greeted with hoots of laughter.
(1) In
(2) At
(3) On
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The fourth option is the correct choice.
The original sentence is already grammatically correct and conveys the intended meaning. The preposition with is appropriately used to indicate the manner in which Kamal's suggestion was received with a lot of laughter.
Question : Which of the following states receives rainfall during the retreating monsoon?
Option 1: Madhya Pradesh
Option 2: Gujarat
Option 3: Bihar
Option 4: Tamil Nadu
Correct Answer: Tamil Nadu
Solution : The correct answer is Tamil Nadu.
Tamil Nadu receives rainfall during the retreating monsoon, also known as the northeast monsoon or the post-monsoon season. The retreating monsoon winds bring moisture from the Bay of Bengal to the eastern coast of India, resulting in rainfall
Question : Select the most appropriate ANTONYM of the given word.
Imminent
Option 1: Near
Option 2: Unstoppable
Option 3: Distant
Option 4: Impending
Correct Answer: Distant
Solution : The correct choice is the third option.
"Imminent" means about to happen or fast approaching, whereas "distant" means far away, and thus, it is the correct antonym for the word "imminent".
The meanings of the other options are as follows:
Question : The largest reservoir of fresh water is:
Option 1: Glaciers
Option 2: Ground water
Option 3: Ponds
Option 4: Lakes
Correct Answer: Glaciers
Solution : The correct option is Glaciers.
Large, thick volumes of ice called glaciers occur on land when snowfall is compacted into ice over a long period. Glaciers hold around 75 per cent of the freshwater on Earth. As a result, glacier ice is both the
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
My younger brother ___ my grandfather.
Option 1: Looks on
Option 2: Looks after
Option 3: Looks to
Option 4: Looks of
Correct Answer: Looks after
Solution : The second option is the correct answer as ''looks after'' means to take care of someone.
The meanings of the other phrasal verbs are as follows:
"Looks on": To observe or watch something.
"Looks to": To turn one's attention or seek help or guidance
Question : Metal tea pots have wooden handles because:
Option 1: wood is bad conductor of heat
Option 2: it prevents electric shock
Option 3: it gives beauty to the pots
Option 4: it is hygenic
Correct Answer: wood is bad conductor of heat
Solution : The correct option is wood is bad conductor of heat.
Tea pots made of metal have wooden handles because wood has low thermal conductivity compared to metal. This design choice ensures that when the teapot is heated, the wooden handle
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