Staff Selection Commission Multi Tasking Staff Exam
Question : Stanie and Paul accept a piece of work for Rs. 28,800. Working alone, one could do it in 36 days and the other, in 48 days. With the assistance of an expert, they finish it in 12 days. How much remuneration should the expert get?
Option 1: Rs. 10,000
Option 2: Rs. 18,000
Option 3: Rs. 16,000
Option 4: Rs. 12,000
Correct Answer: Rs. 12,000
Solution : Time taken by the first person alone = 36 days ⇒ Part of work done by the first person in a day = $\frac{1}{36}$ Time taken by the second person alone = 48 days ⇒ Part of work done by the second person alone
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold parts at 1, 2, and 3, which may improve the sentence. Choose the correct alternative. If no improvement is needed, your answer is 4.
The workers were bent at getting their dues.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct choice is the second option.
The given sentence uses the phrase bent at, which is not correct and doesn't convey the intended meaning. The appropriate idiom to be used here is bent upon, which means being determined and fully committed to a goal.
Question : A man saves Rs. 2000 at the end of each year and invests the money at 5% compound interest. At the end of 3 years, he will have:
Option 1: Rs. 4305
Option 2: Rs. 6305
Option 3: Rs. 4205
Option 4: Rs. 2205
Correct Answer: Rs. 6305
Solution : We know, $\text{Total Amount}=\text{Principal}×(1+\frac{\text{Rate}}{100})^{\text{Time}}$ $=2000(1+\frac{5}{100})^2+2000(1+\frac{5}{100})$ $=2000(\frac{21}{20})^2+2000(\frac{21}{20})$ $=2000\times \frac{441}{400}+2100$ $=2205+2100$ $=4305$ Amount after two years = Rs. 4305 $\therefore$ At the end of 3 years, he will have = 4305 + 2000 = Rs. 6305 Hence, the correct answer is Rs. 6305.
Question : The pie chart given below shows the production of 6 different factories. The total production of all these 6 factories is 1400. The production of a particular factory is shown as a percent of the total production of all these 6 factories. Which of the following statements is correct? I. The central angle formed by sectors A and C together is 156.6°. II. The central angle formed by sectors B, D, and F together is 180°.
Option 1: Neither I nor II
Option 2: Only I
Option 3: Both I and II
Option 4: Only II
Correct Answer: Only II
Solution : According to the question The central angle formed by sectors A and C together: ⇒ Total central angle for A and C = $\frac{16+30}{100}\times 360°$= 165.6° ⇒ So, statement I is incorrect. The central angle formed by sectors B, D, and F = $\frac{24
Question : There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200. How many peacocks are there?
Option 1: 50
Option 2: 30
Option 3: 60
Option 4: 20
Correct Answer: 60
Solution : Given: There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200.
Here,
Let x be the number of deer. Peacock count = y Given x + y = 80
Peacocks have two legs, but
Question : Jhaveri Sisters are famous for which form of classical dance?
Option 1: Manipuri
Option 2: Mohiniyattam
Option 3: Kuchipudi
Option 4: Odissi
Correct Answer: Manipuri
Solution : The correct option is Manipuri.
The Jhaveri Sisters are recognized for their mastery of Manipuri, a graceful and powerful classical dance form originating from Manipur, India. Their dedication to preserving and innovating this art form has earned them international acclaim and made them ambassadors
Question : A sum becomes INR 5400 in 4 years at the rate of 20% per annum on simple interest. What is the sum?
Option 1: INR 3000
Option 2: INR 2500
Option 3: INR 4000
Option 4: INR 2000
Correct Answer: INR 3000
Solution : Rate, $R$ = 20% Term, $n$ = 4 Let $P$ be the principal. Amount = INR 5400 Simple interest = $5400 - P$ We know, Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ $⇒5400 - P=\frac{P×20×4}{100}$ $⇒5400=\frac{4P}{5} + P$ $\therefore P=\frac{5400×5}{9} = 3000$ Hence,
Question : Select the most appropriate option to substitute the bracketed segment in the given sentence. If there is no need to substitute it, select 'no substitution required'. (Because he has been in custody from last July,) Pickard will now be released in four months.
Option 1: Because he had been under custody from last July,
Option 2: Because he has been in custody since last July,
Option 3: Because he had been in custody from last July,
Option 4: No substitution required
Correct Answer: Because he has been in custody since last July,
Solution : The correct option is the second option.
Explanation: This option maintains the correct tense and continuity by using the present perfect tense ("has been") to indicate an action that started in the past and continues up to
Question : In India, the census is conducted under the provisions of the Census Act_____.
Option 1: 1950
Option 2: 1952
Option 3: 1955
Option 4: 1948
Correct Answer: 1948
Solution : The correct answer is 1948.
The 1948 Census Act governs how the census is carried out. Sardar Vallabhbhai Patel spearheaded the bill for this Act. The Indian Constitution's Article 246 declares the population census to be a Union subject. It is mentioned in the
Question : What is the value of 25 percent of 40 percent of $\frac{2}{7}$th of 2100?
Option 1: 40
Option 2: 60
Option 3: 50
Option 4: 45
Solution : Given expression according to the question, 25% of 40% of $\frac{2}{7}$th of 2100 $=\frac{25}{100}\times\frac{40}{100}\times\frac{2}{7}\times 2100$ $=60$ Hence, the correct answer is 60.
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