Staff Selection Commission Combined Graduate Level Exam
Question : Two pipes of lengths of 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of the same size that can be cut from these two lengths will be:
Option 1: 0.13 metre
Option 2: 0.4 metre
Option 3: 0.3 metre
Option 4: 0.41 metre
Correct Answer: 0.3 metre
Solution : Given: The lengths of the two pipes are 1.5 m and 1.2 m. HCF of (1.5, 1.2) = HCF of ($\frac{15}{10}, \frac{12}{10}$) = $\frac{3}{10}$ = 0.3 So, the greatest length of the pipe of the same size that can be cut from these two
Question : What is the chemical formula of vinegar?
Option 1: HCOOH
Option 2: CH3COOH
Option 3: (COOH)2
Option 4: C6H5COOH
Correct Answer: CH3COOH
Solution : The correct answer is CH3COOH.
Among the carboxylic acids, Acetic acid (CH3COOH), also referred to as Ethanoic acid, is crucial. Acetic acid is produced by fermentation and oxidation of natural carbohydrates, resulting in a diluted solution known as Vinegar
Question : Which of the following folk dances does not belong to the state of Mizoram?
Option 1: Munari
Option 2: Chailam
Option 3: Zangtalam
Option 4: Cheraw
Correct Answer: Munari
Solution : The correct option is Munari.
Munari is not typically associated with folk dances in Mizoram. Munari is a traditional folk dance form from the state of Assam, not Mizoram. In Mizoram, various traditional folk dances are performed, reflecting the rich cultural heritage of the
Question : What do you call the type of drugs that mimic the natural messenger by switching on the receptor?
Option 1: Antidepressants
Option 2: Depressants
Option 3: Agonists
Option 4: Antagonists
Correct Answer: Agonists
Solution : The correct option is Agonists.
The drugs that mimic the natural messenger by switching on the receptor are called agonists. These are useful when there is a lack of natural chemical messengers. Agonist drugs are widely used in medicine to either enhance or mimic the
Question : If $a+\frac{1}{a}=2$, then the value of $(a^{5}+\frac{1}{a^{5}})$ will be:
Option 1: 0
Option 2: 1
Option 3: 3
Option 4: 2
Correct Answer: 2
Solution : Given: $a+\frac{1}{a} = 2$ If we take $a=1$, then LHS = $1+\frac{1}{1}=2$ = RHS So, $a=1$ satisfies the equation. Now, $a^5+\frac{1}{a^5}=1^5+\frac{1}{1^5}=2$ Hence, the correct answer is 2.
Question : A policeman saw a thief from a distance of 450 m. When the policeman started chasing him, the thief also started running. The ratio of speeds of the thief to the policeman is 7 : 8. After running how much distance (in km) can the policeman catch the thief?
Option 1: 3.75
Option 2: 3.4
Option 3: 3.6
Option 4: 3.15
Correct Answer: 3.6
Solution : Let the speed of the police and the thief be $8a$ m/sec and $7a$ m/sec. ⇒ Relative speed $= 8a - 7a=a$ m/sec Now, Time taken to catch the thief $= \frac{450}{a}$ sec ⇒ Distance travelled by the policeman $= (\frac{450}{a}) × 8a=3600$ m or
Question : Select the option that expresses the given sentence in active voice.
Where was this pen found by him?
Option 1: Where do he find this pen?
Option 2: Where does he find this pen?
Option 3: Where did he found this pen?
Option 4: Where did he find this pen?
Correct Answer: Where did he find this pen?
Solution : The correct choice is the fourth option.
Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To convert passive to active, we make the subject perform the action and rephrase the verb.
The structure
Question : Comprehension: In the given passage, some words have been left out. Read the passage carefully and select the most appropriate option to fill in each blank. During the pandemic, remote working has kept the work going, across _____ (1) Almost every industry got shut down physically during the lockdowns, but the work-from-home model tried to ______ (2) the effect of the lockdown when it came to jobs. In the future also, many businesses across the globe, including the information technology industry, are _______ (3) continuing with the hybrid model. Remote working has replaced geography as a major hiring ________ (4), with 90 percent of senior executives expected to work from home. As a result, 76 percent of US organisations are more likely to _______ (5) outside the city or even state, according to a Talent Works poll of recruiting managers conducted across the US, quoted by an FE report. Select the most appropriate option to fill in the blank number 3.
Option 1: analysing
Option 2: examining
Option 3: considering
Option 4: observing
Correct Answer: considering
Solution : The third option is the correct answer.
Considering is appropriate because it signifies that businesses, including the information technology industry, are actively contemplating or taking into account the hybrid model for their future work approach.
The meanings of the other options are as follows:
Question : Directions: Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. BRU_TLP_RUI_LPBR_ITLPB_UIT_ _
Option 1: IBTRUPL
Option 2: IBTUPLR
Option 3: IBRUTLP
Option 4: IBTURLP
Correct Answer: IBTURLP
Solution : Given:
BRU_TLP_RUI_LPBR_ITLPB_UIT_ _
To fill the series we have to divide the series – BRU_TLP / _RUI_LP / BR_ITLP / B_UIT_ _
Let's check each option – First option: IBTRUPL; BRUITLP / BRUITLP / BRRITLP / BU
Question : O is the centre of the circle and $\angle AOB = 150°$, and the shaded portion is $x$ part of the circular region, then what will be the value of $x$?
Option 1: $\frac{1}{12}$
Option 2: $\frac{1}{9}$
Option 3: $\frac{1}{6}$
Option 4: $\frac{1}{4}$
Correct Answer: $\frac{1}{6}$
Solution :
Given: O is the centre of the circle and $\angle AOB = 150°$. We know that the vertically opposite angles are identical. ⇒ $\angle COD=150°$ Now, The angles between the shaded region and the two angles $\angle AOB$ and $\angle COD$ are making a complete
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