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Question : What should come in place of the question mark (?) in the following mathematical statement? (?)3 ÷ 16 = 108
Option 1: 10
Option 2: 17
Option 3: 12
Option 4: 8
Correct Answer: 12
Solution : Given: (?)3 ÷ 16 = 108 ⇒ (?)3 = 108 × 16 ⇒ (?)3 = 1728 ⇒ ? = 12 Hence, the correct answer is 12.
Question : Rectify the sentence by selecting the correct spelling of the underlined word. She is a nuisanse to her family.
Option 1: nuisince
Option 2: niusance
Option 3: newsance
Option 4: nuisance
Correct Answer: nuisance
Solution : The correct option is the fourth option.
Explanation:
The sentence contains the incorrect spelling nuisanse, whereas the correct spelling is nuisance.
Nuisance refers to a person or thing that causes inconvenience, annoyance, or discomfort. In the sentence, it means that she is causing trouble
Question : Johann Gregor Mendel is famous for propounding
Option 1: Theory of mutation
Option 2: Laws of heredity
Option 3: Cell theory
Option 4: Theory of acquired characters
Correct Answer: Laws of heredity
Solution : The correct option is Laws of heredity
Johann Gregor Mendel is well known for developing the Laws of heredity and is known as the "Father of Modern Genetics." In the nineteenth century, he conducted ground-breaking studies with pea plants, during which he uncovered
Question : Pipes P and Q can fill a tank in 18 and 27 minutes, respectively, whereas pipe R can empty the full tank in 54 minutes. P and Q were opened together for 6 minutes and then closed and R was opened. The tank was emptied by R alone in:
Option 1: 35 minutes
Option 2: 45 minutes
Option 3: 30 minutes
Option 4: 40 minutes
Correct Answer: 30 minutes
Solution : Given: Pipe P filling time = 18 minutes Pipe Q filling time = 27 minutes Pipe R empty time = 54 minutes P and Q opened for 6 minutes. Now, Capacity of tank = LCM of 18, 27, and 54 = 54 units Efficiency
Question : Fill in the blank with the most appropriate option.
The only one _______ shattered their monotony by his visits was Krishna.
Option 1: whom ever
Option 2: whatever
Option 3: who
Option 4: whichever
Correct Answer: who
Solution : The correct choice is the third option.
Explanation: In this context, we are looking for a relative pronoun to refer to the person who shattered their monotony.
So, the correct sentence is: The only one who shattered their monotony by his visits was Krishna.
Question : Select the most appropriate synonym to substitute the underlined word. My mother said to me that she had gone through a very strict and traditional education.
Option 1: analogy
Option 2: demagogy
Option 3: pedagogy
Option 4: mythology
Correct Answer: pedagogy
Solution : The correct option will be the third option.
Explanation: It refers to the art and science of teaching and education. It is a synonym for education in the context of the sentence, as it specifically relates to the process of teaching and learning.
The meanings
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No Error'. For example, the parent mountain / of Mont Blanc, the / high peak in the Alps, is the Mount Everest.
Option 1: No Error
Option 2: high peak in the Alps, is the Mount Everest.
Option 3: of Mont Blanc, the
Option 4: For example, the parent mountain
Correct Answer: high peak in the Alps, is the Mount Everest.
Solution : The correct choice is the second option.
Explanation: The error lies in the use of the article "the" before Mount Everest. The article "the" is used for the mountain ranges and not mountains.
So, the
Question : The distance between places A and B is 999 km. An express train leaves place A at 6 am and runs at a speed of 55.5 km/h. The train stops on the way for 1 hour 20 minutes. It reaches B at:
Option 1: 1:20 am
Option 2: 12 pm
Option 3: 6 pm
Option 4: 11 pm
Correct Answer: 1:20 am
Solution : The speed of the express train is 55.5 km/h. The distance is 999 km. We know the formula Time = $\frac{\text{Distance}}{\text{Speed}}$. ⇒ Required time = $\frac{999}{55.5}$ = 18 hours. So, the train will reach B at (6 am + 18 hours + 1 hour
Question : Choose the incorrectly spelt word.
Option 1: Famous
Option 2: Ornage
Option 3: Leader
Option 4: Flowing
Correct Answer: Ornage
Solution : The second option is correct.
The incorrectly spelt word is ornage. Interchanging the place of "n" and "a" gives the correct spelling: Orange.
Other words are correctly spelt, and their meanings are as follows:
Question : An atom is _________.
Option 1: the smallest particle of matter known
Option 2: the smallest particle of gas
Option 3: the smallest indivisible particle of an element that can take part in a chemical change
Option 4: charged particle
Correct Answer: the smallest indivisible particle of an element that can take part in a chemical change
Solution : The correct option is the smallest indivisible particle of an element that can take part in a chemical change.
An atom is the smallest unit of matter, with a nucleus at
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