Detective
Question : Akbar can complete a piece of work alone in 12 days, while Anthony can complete the same work alone in 20 days. If they work on alternate days with Anthony starting the work, then in how many days can they complete the whole work?
Option 1: $15$ days
Option 2: $16$ days
Option 3: $14 \frac{4}{5}$ days
Option 4: $15 \frac{1}{5}$ days
Correct Answer: $15 \frac{1}{5}$ days
Solution : LCM of 12 and 20 is 60. So, Total work = 60 units Now, Efficiency of Akbar = $\frac{\text{Total unit of work}}{\text{No. of days}}=\frac{60}{12}= 5$ unit/day ⇒ Efficiency of Anthony = $\frac{\text{Total unit of work}}{\text{No. of days}}=\frac{60}{20}= 3$ unit/day ⇒ Total Efficiency = (5 + 3) = 8 unit/day Now, in 2 days = 8 units of work will be done. ⇒ In 7 pairs of days (7 × 2) = 8 × 7 = 56 unit of work will be done. Work left = 60 – 56 = 4 units ⇒ As Anthony starts the work, his efficiency is 3 units/day ⇒ On the 15th day Anthony will do 3 more units of work i.e. ( 56 + 3) = 59 units of work is done. Now, the remaining work will be done by Akbar in = $\frac{1}{5}$th day ⇒ Total days = $(14 +1 +\frac15)$ days = $15\frac15$ days Hence, the correct answer is $15\frac15$ days.
Question : Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. But at the same time, this is also true that when one reads a few works of the same genre, one naturally comes to know a rough structure of that genre. B. The essence of suspense is whether the reader will be able to gauge the criminal before the detective tells who he is. C. This leads to a different kind of approach to understanding literature in general and detective fiction in particular. D. It is found that when one knows a genre and its structure and rules, it may often not make us enjoy a piece of literary work in the same manner as one usually does.
Option 1: DACB
Option 2: BDCA
Option 3: CBAD
Option 4: ADCB
Correct Answer: DACB
Solution : The correct answer is the first option.
Sentence (D) introduces the idea that familiarity with a genre's structure and rules may impact the enjoyment of a literary work. Sentence (A) suggests that reading multiple works of the same genre helps one understand the genre's structure. Sentence (C) transitions to a broader discussion about how this understanding influences the approach to literature. Sentence (B) concludes with a specific example related to detective fiction, emphasising the essence of suspense and the reader's engagement in solving the mystery.
Therefore, the logical order to form a coherent paragraph is DACB.
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'. I enjoy to watch a good detective movie.
Option 1: watch
Option 2: watched
Option 3: No substitution
Option 4: watching
Correct Answer: watching
Solution : The fourth option is the correct answer.
The verb enjoy is typically followed by a gerund (the -ing form of a verb) rather than an infinitive (to + base form of a verb).
So, the gerund form watching should be used instead of the infinite form to watch.
Therefore, the correct sentence should be "I enjoy watching a good detective movie".
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