Staff Selection Commission Multi Tasking Staff Exam
Question : P, Q, and R alone can complete a piece of work in 30 hours, 10 hours and 15 hours respectively. In how much time will they finish the work if they work together?
Option 1: 5 hours
Option 2: 4 hours
Option 3: 8 hours
Option 4: 10 hours
Correct Answer: 5 hours
Solution : The rate at which P, Q, and R work is $\frac{1}{30}$, $\frac{1}{10}$, and $\frac{1}{15}$ of the work per hour, respectively. When they work together, their combined rate is $ = \frac{1}{30} + \frac{1}{10} + \frac{1}{15} = \frac{1}{5}$ of the work per hour $\therefore$ The
Question : Find the part of the given sentence that has an error in it. If there is no error, choose ‘No Error'. Can you please help me to this project?
Option 1: this project
Option 2: can you please
Option 3: No Error
Option 4: help me to
Correct Answer: help me to
Solution : The fourth option is correct.
The preposition with is more appropriate when seeking assistance with a project.
Therefore, the corrected sentence is: "Can you please help me with this project?"
Question : Which of the following books is written by Mulk Raj Anand?
Option 1: The English Teacher
Option 2: The Blue Umbrella
Option 3: Untouchable
Option 4: A Suitable Boy
Correct Answer: Untouchable
Solution : The correct answer is Untouchable.
Mulk Raj Anand's book " Untouchable" depicts the brutality of the caste system that existed in India before independence. That book ended up becoming his groundbreaking first book, Untouchable (1935).
Question : Directions: Eight boys B1, B2, B3, B4, B5, B6, B7, and B8 are sitting around a circular table facing opposite to the centre (not necessarily in the same order). B1 is third to the right of B3. B5 is second to the left of B3. B2 is fourth to the right of B4. B4 is second to the right of B1, and B8 is third to the left of B6. B6 is not the immediate neighbour of B1. Who is third to the right of B7?
Option 1: B3
Option 2: B5
Option 3: B7
Option 4: B4
Correct Answer: B4
Solution : Given: (I) B1 is third to the right of B3. B5 is second to the left of B3. B4 is second to the right of B1.
(II) B2 is fourth to the right of B4. B8 is third to the left of B6. B6 is
Question : Directions: Three 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: Some if are but. All but are so. No so is a then. Conclusions: I. All if being then is a possibility. II. All then being if is a possibility.
Option 1: Only conclusion II follows
Option 2: Neither conclusion I nor II follows
Option 3: Both conclusions I and II follow
Option 4: Only conclusion I follows
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 if being then is a possibility – From the Venn diagram, it is evident that some if are but and all
Question : The bar chart given below shows the annual production (in 1000 tonnes) of coffee of a country for the years 2018 to 2022. What is the average production (in 1000 tonnes) of coffee for the years 2018, 2019, and 2020?
Option 1: 530
Option 2: 810
Option 3: 720
Option 4: 640
Correct Answer: 640
Solution : Production of coffee in 2018 = 700 (in 1000 tonnes) Production of coffee in 2019 = 550 (in 1000 tonnes) Production of coffee in 2020 = 670 (in 1000 tonnes) Average = $\frac{\text{Sum of yearly production}}{{\text{Total number of years}}}$ = $\frac{700+550+670}{3}$ = $\frac{1920}{3}$ = $640$
Question : Find out the area of the triangle of base 7 cm and the corresponding height of 12 cm.
Option 1: 42 cm2
Option 2: 54 cm2
Option 3: 43 cm2
Option 4: 44 cm2
Correct Answer: 42 cm2
Solution : Area of a triangle = $\frac{1}{2}$ × Base × Height Given the base ($b$) is 7 cm and the height ($h$) is 12 cm. So, the area = $\frac{1}{2}$ × 7 × 12 = 42 cm2 Hence, the correct answer is 42
Question : The Chhatrapati Shivaji Maharaj Terminus was formerly known as ______.
Option 1: Elizabeth Terminus Station
Option 2: James Terminus Station
Option 3: George Terminus Station
Option 4: Victoria Terminus Station
Correct Answer: Victoria Terminus Station
Solution : The correct answer is Victoria Terminus Station.
The Chhatrapati Shivaji Terminus touches the Arabian Sea coast and is located in Mumbai, in Western India. The Victoria Terminus Station was the previous name of the Chhatrapati Shivaji Maharaj Terminus. It is one of
Question : Which of the following phenomena is supposedly associated with global warming?
Option 1: Southern oscillations
Option 2: El Nino
Option 3: La Nino
Option 4: El Nino Modiki
Correct Answer: El Nino Modiki
Solution : The correct answer is El Nino Modoki.
El Nio Modoki is associated with global warming. Climate change may impact the frequency and severity of El Nio Modoki occurrences, according to some studies. El Nio Modoki events may become more common due to the
Question : A cloth merchant sold half of his cloth at a 40% profit, half of the remaining at a 40% loss, and the rest was sold at the cost price. In the total transaction, his gain or loss will be:
Option 1: 20% gain
Option 2:
25% loss
Option 3:
10% gain
Option 4:
15% loss
Correct Answer:
Solution : Let the cost price of the cloth be $\mathrm{Rs.}\;\mathrm{C}$. The merchant sold half of his cloth at a $40\%$ profit. The selling price for this part $=\mathrm{0.5C + 0.4 \times 0.5C = 0.7C}$ He sold half of the remaining at a $40\%$ loss. The
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