Staff Selection Commission Multi Tasking Staff Exam
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
Solution : The correct choice is the fourth option.
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,
Question : The following bar graph shows the number of kids who like different fruits. What percentage of kids like bananas or apples?
Option 1: 40%
Option 2: 50%
Option 3: 30%
Option 4: 60%
Correct Answer: 60%
Solution : Total number of kids like bananas or apples = 80 + 40 = 120 Total number of kids = 10 + 80 + 40 + 20 + 50 = 200 Required percentage $=\frac{120}{200} \times 100= 60\%$ Hence, the correct answer is 60%.
Question : In which of the following methods of irrigation does the waterfall drop by drop directly near the roots?
Option 1: Manual irrigation
Option 2: Sprinkler system
Option 3: Lateral move irrigation
Option 4: Drip system
Correct Answer: Drip system
Solution : The correct answer is the Drip system.
The term "trickle irrigation system" is another name for drip irrigation. This technique uses tiny holes called drippers or emitters to provide water drop by drop next to the roots. As a result, it is referred to
Question : Kobe Bryant was a famous player of______sport.
Option 1: basketball
Option 2: cricket
Option 3: rugby
Option 4: lawn tennis
Correct Answer: basketball
Solution : The correct answer is basketball.
Kobe Bryant, born on August 23, 1978, was an iconic American professional basketball player renowned for his 20-year career with the Los Angeles Lakers in the NBA. As a shooting guard, he earned acclaim as one of the sport's
Question : Find the fourth proportion to 21, 49, and 18.
Option 1: 42
Option 2: 56
Option 3: 49
Option 4: 44
Correct Answer: 42
Solution : Given numbers, 21, 49, and 18. Let the fourth proportion be $x$ ⇒ 21 :: 49 = 18 :: $x$ ⇒ $\frac{21}{49}=\frac{18}{x}$ ⇒ $x=\frac{18\times49}{21}$ ⇒ $x=42$ Hence, the correct answer is 42.
Question : Directions: Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. All trolleys are baskets. II. Some briefcases are trolleys. Conclusions: I. All briefcases are baskets. II. Some baskets are briefcases.
Option 1: Only conclusion I follows
Option 4: Both conclusions I and II follow
Correct Answer: Only conclusion II follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All briefcases are baskets – From the Venn diagram, we can see that the two circles representing briefcases and baskets have an
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