Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: In the following question, select the one that is different from the other three alternatives.
Option 1: 81 – 9
Option 2: 8 – 64
Option 3: 54 – 6
Option 4: 3 – 27
Correct Answer: 8 – 64
Solution : Here, the greater number is equivalent to the multiplication of a smaller number by 9.
Let's check each option – First option: 81 – 9; 9 × 9 = 81 Second option: 8 – 64; 8 × 9 = 72 ≠ 64 Third
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given Select the most appropriate option for each number.
English Ivy (1)_____ its poor reputation as a nuisance by its unparalleled ability to provide shade. By seamlessly covering the exterior of a building, it works as a natural (2)______ blocking the sun and decreasing air conditioning costs. This means big savings for both building tenants and homeowners (3)_____. And it can happen quickly, too. Under the proper conditions, established English Ivy can grow to cover (4)______ of roughly 500 square feet per year. Given that most homes have a roof measuring roughly 2000 square feet, ivy-friendly homeowners can rest assured that their roofs will be (5)____ covered in about four years.
Question:
Select the most appropriate option to fill in the blank number 3.
Option 1: unlike
Option 2: likely
Option 3: dislike
Option 4: alike
Correct Answer: alike
Solution : The correct choice is the fourth option.
Explanation: The sentence structure suggests that English Ivy providing savings for both building tenants and homeowners is a probable or expected outcome. The word "alike" signifies similarity or equality between two or more things. In this context,
Question : "Ambubachi Mela" is held in which place?
Option 1: Patna
Option 2: Lucknow
Option 3: Pune
Option 4: Guwahati
Correct Answer: Guwahati
Solution : The correct answer is Guwahati.
At the Kamakhya temple in Guwahati, the Ambubachi Mela is a four-day celebration commemorating the goddess' yearly menstruation. One of the largest gatherings in eastern India is the Ambubachi Mela.
Question : The difference between compound interest and simple interest on an amount of Rs. 14,400 for 2 years is Rs. 3600. Find the rate of interest.
Option 1: 30%
Option 2: 35%
Option 3: 10%
Option 4: 50%
Correct Answer: 50%
Solution : Let the rate of interest be $r$. Principal, $P$ = Rs. 14,400 Time = 2 years Difference between Simple interest and compound interest $=P(\frac{r}{100})^2$ ⇒ $3600 = 14400(\frac{r}{100})^2$ ⇒ $(\frac{r}{100})^2=\frac{36}{144}$ ⇒ $(\frac{r}{100})^2=(\frac{6}{12})^2$ ⇒ $\frac{r}{100}=\frac{6}{12}$ $\therefore r=50\%$ Hence, the correct answer is 50%.
Question : Select the wrongly spelt word.
Option 1: Declivity
Option 2: Decorous
Option 3: Cosmopolitan
Option 4: Copous
Correct Answer: Copous
The wrongly spelt word is "Copous". The correct spelling of the word meaning abundant or plentiful is "copious". The incorrect spelling contains a spelling mistake by omitting the vowel "i" before "o".
Question : 14 people can do work in 28 days. In how many days, can 8 people complete double the work?
Option 1: 55 days
Option 2: 98 days
Option 3: 80 days
Option 4: 32 days
Correct Answer: 98 days
Solution : Let the total work = 14 × 28 = 392 units Time taken by 8 people to do the double work = $\frac{2×392}{8}$ = 2 × 49 = 98 days Hence, the correct answer is 98 days.
Question : Find the part of the given sentence that has an error in it. If there is no error, choose 'No error'.
In order to survive, humans need to eat ascorbic acid, also known as vitamin C.
Option 1: In order to survive, humans
Option 2: need to eat ascorbic acid, also
Option 3: known as vitamin C.
Option 4: No error
Correct Answer: No error
Explanation:
It appears that there is no grammatical error in the given sentence. The sentence is structurally sound and effectively conveys the information that, in order to survive, humans need to eat ascorbic acid, also known
Question : Select the word from the options which is similar in meaning to the bracketed part given in the sentence below.
The women stared at me with (great interest or concern).
Option 1: intellect
Option 2: control
Option 3: curiosity
Option 4: possession
Correct Answer: curiosity
Solution : The correct choice is the third option.
Curiosity means a strong desire to know or learn something. In the context of the sentence, it implies that the women were looking at the speaker with a significant level of interest or concern.
The meanings of the
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statement I: All mobiles are electronics. Statement II: All laptops are electronics. Conclusion I: Some mobiles are laptops. Conclusion II: All mobiles are laptops.
Option 1: Either conclusion I or II follows
Option 2: Only conclusion II follows
Option 3: Neither conclusion I nor II follows
Option 4: Only conclusion I follows
Correct Answer: Neither conclusion I nor II follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyze the conclusions – Conclusion (I): Some mobiles are laptops – From the Venn diagram, it is evident that there is no definite relation between mobiles
Question : If 10 men can do work in 10 days, then in how much time will 2 men do the same work?
Option 1: 75 days
Option 2: 60 days
Option 3: 25 days
Option 4: 50 days
Correct Answer: 50 days
Solution : We know, $M_1D_1= M_2D_2$, where $M_1$ and $M_2$ are persons and $D1$ and $D_2$ are days. Here, $M_1$ = 10, $M_2$ = 2, and $D_1$ = 10 days So, 10 × 10 = 2 × $D_2$ ⇒ $D_2$ = $\frac{100}{2}$ = 50 days Hence,
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