Staff Selection Commission Combined Graduate Level Exam
Question : Select the option that expresses the given sentence in passive voice.
Authorities denied his simple request.
Option 1: His simple request has been denied by authorities.
Option 2: His simple request is denied by authorities.
Option 3: His simple request had been denied by authorities.
Option 4: His simple request was denied by authorities.
Correct Answer: His simple request was denied by authorities.
Solution : The fourth option is the correct choice.
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 the
Question : Who discovered Potassium?
Option 1: Humphry Davy
Option 2: Alan Turing
Option 3: Bill Gates
Option 4: Tim Berners-Lee
Correct Answer: Humphry Davy
Solution : The correct option is Humphry Davy.
Sir Humphry Davy's electrolysis of molten caustic potash (KOH) led to the discovery of metallic potassium in 1807. A few months after discovering potassium, Davy isolated sodium using the same technique. He also developed the Davy lamp and
Question : As the river enters the plain it twists and turns forming large bends known as ________.
Option 1: crooks
Option 2: flections
Option 3: rounds
Option 4: meanders
Correct Answer: meanders
Solution : The correct answer is meanders.
Meandering is the feature of a river in which it forms U-shaped bends and curves in its course. It is characterised by both erosional and depositional features and gives rise to a new landform.
Question : Select the option that will improve the underlined part of the sentence. In case no improvement is needed, select 'No Improvement'.
She is as good if not better than, her sister.
Option 1: No improvement
Option 2: as good as
Option 3: good as
Option 4: more good
Correct Answer: as good as
Solution : The second option is the correct answer.
When in the same sentence, two adjectives with different degrees of comparison are used, both should be complete in themselves. The phrase "not better than" may mean "worse" or "almost the same". We use as +
Question : Insider trading is related to:
Option 1: trade sector
Option 2: share market
Option 3: credit market
Option 4: horse racing
Correct Answer: share market
Solution : The correct answer is share market.
Insider trading is associated with the stock market. The share market is a type of securities market in which company shares are purchased and sold. Insider trading in the stock market occurs when insiders use confidential knowledge
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
Is this the same book like our teacher recommended?
Option 1: No improvement required
Option 2: same book who
Option 3: similar book that
Option 4: same book as
Correct Answer: same book as
Solution : The correct option is the fourth option.
Explanation: The word "like" is not the appropriate preposition to use in this context because "like" is used to show similarity. Instead, when making comparisons, it is more grammatically accurate to use "as" in
Question : Directions: In the following question, select the related number from the given alternatives. 8 : 32 :: ? : 108
Option 1: 68
Option 2: 69
Option 3: 27
Option 4: 67
Correct Answer: 27
Solution : Given: 8 : 32 :: ? : 108
Divide the second number by 4 to obtain the first number. Like, 8 : 32→32 ÷ 4 = 8 Similarly, follow the same pattern for 108 : ?→108 ÷ 4 = 27
So, 27 is related to
Question : A cylindrical tube, open at both ends, is made of a metal sheet which is 0.5 cm thick. Its outer radius is 4 cm and its length is 2 m. How much metal (in cm$^3$) has been used in making the tube?
Option 1: $800 \pi$
Option 2: $450 \pi$
Option 3: $750 \pi$
Option 4: $550 \pi$
Correct Answer: $750 \pi$
Solution : Given: Outer radius $(R)$ = 4 cm Thickness = 0.5 cm Internal radius $(r)$ = 4 – 0.5 = 3.5 cm Volume of material = $\pi(R^2 - r^2)h$ = $\pi \times (4^2 - 3.5^2)\times 200$ = $\pi \times 3.75\times 200$ = $750\pi$ cm$^3$ Hence,
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed on the right side of the figure.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line AB). So, the left side of the reflected image will appear
Question : Identify the segment in the sentence which contains a grammatical error. The tired and vexed travellers waiting at the airport for a long time.
Option 1: waiting at the airport
Option 2: for a long time
Option 3: The tired and
Option 4: vexed travellers
Correct Answer: waiting at the airport
Solution : The correct choice is the first option.
Explanation: The error lies in the incomplete expression of the continuous action. The present participle "waiting" should be accompanied by a helping verb to form the correct present perfect continuous tense. The sentence should
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