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Question : Select the most appropriate synonym to substitute the bracketed word in the given sentence. Spreading from the ports, Formosan termites began a (subterranean) colonisation of the country.
Option 1: Terrestrial
Option 2: Underground
Option 3: Overt
Option 4: Subcutaneous
Correct Answer: Underground
Solution : The correct option is the second option.
Subterranean means underground or beneath the earth's surface. In the context of the sentence, it refers to the Formosan termites' colonisation underground, emphasising their activity beneath the surface. Underground refers to being beneath the surface of the earth,
Question : The radius of two spheres is in the ratio of 1 : 5. What is the ratio of the volume of the two spheres?
Option 1: 8 : 27
Option 2: 1 : 25
Option 3: 1 : 125
Option 4: 1 : 64
Correct Answer: 1 : 125
Solution : Let the radii r1 = $k$ and r2 = 5$k$ According to the question, ⇒ Volume of sphere 1 (V1) = $\frac{4}{3}\pi k^{3}$ ⇒ Volume of sphere 2 (V2) = $\frac{4}{3}\pi (5k)^{3}$ = $\frac{4}{3}\pi (125)k^{3}$ ⇒ Ratio of volumes = $\frac{V1}{V2}$
Question : If the annual rate of simple interest increases from $11\%$ to $17 \frac{1}{2} \%$, a person's yearly income increases by Rs. 1,071.20. The principal amount invested (in Rs.) is:
Option 1: 19,120
Option 2: 16,480
Option 3: 17,250
Option 4: 10,710
Correct Answer: 16,480
Solution : The increase in yearly income is due to the increase in interest rates. Given that the increase in income is Rs. 1,071.20 and the increase in interest rate is $17\frac{1}{2}\% - 11\% = 6\frac{1}{2}\% = \frac{13}{2}\%$ Principal = $\frac{\text{Increase in income}}{\text{Increase in interest rate}}×100 =
Question : An inlet pipe can fill an empty tank in 140 hours, while an outlet pipe drains a filled tank in 63 hours. If 8 inlet pipes and y outlet pipes are opened simultaneously, when the tank is empty, then the tank gets filled in 105 hours. Find the value of y.
Option 1: 1
Option 2: 4
Option 3: 2
Option 4: 3
Correct Answer: 3
Solution : Inlet pipe can fill in = 140 hours Outlet pipe can drain in = 63 hours LCM of 140 and 63 is 1260 Total work = 1260 units Efficiency of inlet pipe = $\frac{1260}{140}$ = 9 units/hours Efficiency of outlet pipe = $\frac{1260}{63}$ = 20
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
Several guests noticed Mr Sharma falling back in his chair and gasping for breath.
(1) falling back in his chair
(2) Several guests noticed Mr Sharma
(3) and gasping for breath
(4) No Error
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : All parts of the sentence are structured correctly, and there are no errors in grammar or syntax. The sentence conveys the intended meaning that several guests observed Mr. Sharma falling back in his chair and gasping for breath.
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).
Mr Bharath was a professor whom all students respected.
(1) looked up to
(2) looked up
(3) looked over
(4) No Improvement
Solution : The correct answer is the fourth option.
The sentence is grammatically accurate, and it doesn't need any change. The sentence conveys the idea that Mr. Bharath was a professor, and every student held him in high regard or had a deep respect for him.
Question : Which of the following is not the manifestation of iron deficiency anaemia (IDA)?
Option 1: Soft palate
Option 2: Blindness
Option 3: General pallor
Option 4: Paleness of conjunctiva of eyes
Correct Answer: Blindness
Solution : The correct answer is Blindness.
Blindness is not a manifestation of iron deficiency anaemia (IDA). Iron deficiency anaemia primarily affects the blood's oxygen-carrying capacity and can lead to symptoms such as general pallor, paleness of the conjunctiva of the eyes and a pale appearance
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.
What a _________ holiday!
Option 1: Momentous
Option 2: Memorable
Option 3: Momentary
Option 4: Immortal
Correct Answer: Memorable
Solution : To complete the sentence correctly, we need a word that conveys that the holiday was worth remembering or left a strong impression on the speaker. The word "memorable" is the appropriate choice here. It means something worth remembering or remarkable.
So, the correct sentence is:
Question : Two vessels of equal capacity, and both completely filled, contain mixtures of milk and water in the ratio of 5 : 1 and 6 : 5, respectively. Both the mixtures are now mixed thoroughly. What is the ratio of milk to water in the new mixture so obtained?
Option 1: 105 : 67
Option 2: 57 : 41
Option 3: 91 : 41
Option 4: 28 : 43
Correct Answer: 91 : 41
Solution : Given: Ratio of milk and water in 1st vessel = 5 :1 The ratio of milk and water in 2nd vessel = 6 : 5 Let both the vessels have $x$ litres of mixtures. Total quantity of milk = $\frac{5x}{6}+ \frac{6x}{11}=\frac{91x}{66}$ Total quantity
Question : In our body, antibodies are formed against pathogens in
Option 1: liver by RBC
Option 2: blood by platelets
Option 3: brain by macrophages
Option 4: thymus by lymphocytes
Correct Answer: thymus by lymphocytes
Solution : The correct option is thymus by lymphocytes.
The thymus is involved in the growth, and maturation of T lymphocytes (T cells), which are immune cells that play a key role in the immunological response. The thymus is where T cells mature, and are
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