Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Which two numbers from amongst the given options should be interchanged to make the given equation correct? 168 ÷ 4 + 216 ÷ ( 78 × 1 – 8) = 14
Option 1: 78 and 216
Option 2: 14 and 8
Option 3: 78 and 14
Option 4: 216 and 168
Correct Answer: 78 and 14
Solution : Given: 168 ÷ 4 + 216 ÷ ( 78 × 1 – 8) = 14
Interchanging the numbers as given in the options – First option: 78 and 216 168 ÷ 4 + 78 ÷ ( 216 × 1 – 8) = 14
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.
The basic elements of computers that (1)____ our world are explained in an interactive manner. The book has a (2)____ approach of colourful and creative picture-based activities. The puzzles, activities, and mazes (3)____ the students to develop critical thinking, logical and motor skills. After every lesson, (4)____ exercises are incorporated to (5)___ the conceptual understanding of the students.
Select the most appropriate option to fill in blank no. 4.
Option 1: brainstorming
Option 2: superficial
Option 3: baffling
Option 4: irrational
Correct Answer: brainstorming
Solution : The first option is the correct choice.
Brainstorming means a session where a group of people generates creative solutions to address a specific problem, and it fit perfectly in the sentence. The sentence conveys the meaning that following each instructional session, an activity involving a
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed.) (4, 9, 16) (25, 36, 49)
Option 1: (49, 64, 81)
Option 2: (1, 16, 49)
Option 3: (36, 81, 49)
Option 4: (49, 36, 81)
Correct Answer: (49, 64, 81)
Solution : Given: (4, 9, 16); (25, 36, 49)
The given numbers are squares of consecutive natural numbers – ⇒ (4, 9, 16)→22 = 4; (2 + 1)2 = 32 = 9; (3 + 1)2 = 42 = 16 ⇒
Question : Which organic compound has a pleasant almond aroma that is commonly used to impart almond flavour to chocolate and baked goods?
Option 1: Manzanate
Option 2: Benzaldehyde
Option 3: Ethyl maltol
Option 4: Isoamyl acetate
Correct Answer: Benzaldehyde
Solution : The correct option is Benzaldehyde.
Benzaldehyde is an organic compound with the chemical formula C7H6O. This colourless liquid possesses a distinctive almond-like fragrance and flavour. It is celebrated for its sweet, nutty and delightful almond scent and taste. Benzaldehyde serves
Question : Identify an organism that exhibits metagenesis.
Option 1: Obelia
Option 2: Spongilla
Option 3: Sycon
Option 4: Euspongia
Correct Answer: Obelia
Solution : The correct option is Obelia.
Obelia is a type of hydrozoan, and its life cycle involves alternating between a sexually reproducing medusa stage and an asexually reproducing polyp stage. Metagenesis is a phenomenon in the life cycle of certain organisms where they undergo the
Question : Select the correct passive form of the given sentence.
He drank a lot of coffee before the marathon.
Option 1: A lot of coffee was drunk by him before the marathon.
Option 2: A lot of coffee is drunk by him before the marathon.
Option 3: A lot of coffee was drunken by him before the marathon.
Option 4: A lot of coffee had been drunk by him before the marathon.
Correct Answer: A lot of coffee was drunk by him before the marathon.
Solution : The first option is the correct answer.
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 voice becomes
Question : Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
Every soldier and every officer was in their place.
Option 1: Every soldier
Option 2: and every officer
Option 3: their place
Option 4: was in
Correct Answer: their place
Solution : The correct choice is the third option.
Their refers to multiple people, whereas indefinite words such as each, every, and any have singular meanings. Thus, their should be replaced with his.
Therefore, the correct sentence is: Every soldier and every
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.
Are you __ stamp collecting?
Option 1: interested by
Option 2: interested in
Option 3: interested at
Option 4: interested about
Correct Answer: interested in
Solution : The second option is the correct answer: interested in.
The correct preposition that follows the adjective "interested" is "in." None of the other options fit the sentence.
Therefore, the answer is "Are you interested in stamp collecting?"
Question : P and Q are two alloys of Aluminium and Copper. The ratios of Aluminium and Copper in P and Q are 5 : 11 and 3 : 5, respectively. If a third alloy is formed by mixing alloys P and Q in the ratio of 1 : 3, then Aluminium is what percentage (rounded off to the nearest integer) of the Copper in the third alloy?
Option 1: 63%
Option 2: 52%
Option 3: 48%
Option 4: 56%
Correct Answer: 56%
Solution : In the case of P : Ratio = 5 : 11 Total = 5 + 11 = 16 units In the case of Q : Ratio = 3 : 5 Total = 3 + 5 = 8 units Now, a third alloy is formed by
Question : Which of the following are food preservatives?
Option 1: Salt, sodium nitrite, spices, and vinegar
Option 2: Gypsum, soda, and methyl alcohol
Option 3: Gypsum, salt and, Formic acid
Option 4: Formic acid, vinegar, and Methyl alcohol
Correct Answer: Salt, sodium nitrite, spices, and vinegar
Solution : The correct option is Salt, sodium nitrite, spices and vinegar.
Salt is used as a food preservative. It has been used to preserve various foods, notably meats, and fish.
Sodium nitrite is a preservative primarily used to preserve, and
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