Staff Selection Commission Multi Tasking Staff Exam
Question : There are 45 students in a hostel. If the number of students increases by 5, the total expenses of the mess increase by INR 30 per day while the average daily expenditure per head diminishes by INR 2. Find the original total daily expenditure of the mess.
Option 1: INR 1,170
Option 2: INR 1,710
Option 3: INR 1,200
Option 4: INR 1,250
Correct Answer: INR 1,170
Solution : Given, No. of students in a hostel = 45 When 5 students increase, the average daily expenditure per head decreases by INR 2. Let the average expenditure initially be INR $x$ ⇒ Total expenditure = $45x$ Now, when 5 more students join, total expenditure
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2, and 3 which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is 4.
Modern medicine promotes good health.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The fourth option is the correct choice. The sentence is grammatically correct and needs no improvement.
The verb promotes means to support or encourage and is the appropriate choice for this sentence.
Question : The presence of oxygen in the atmosphere is due to:
Option 1: Photosynthesis
Option 2: Excretion
Option 3: Nitrogen fixation
Option 4: Respiration
Correct Answer: Photosynthesis
Solution : The correct option is Photosynthesis.
Photosynthesis is a mechanism that plants and certain bacteria use to convert carbon dioxide and water into glucose (sugar) and oxygen. This process emits oxygen into the atmosphere and is required for the oxygen-carbon dioxide balance to be maintained.
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. Uttar Pradesh / accounts for about 16 percent / of the / country population.
Option 1: of the
Option 2: country population
Option 3: Uttar Pradesh
Option 4: accounts for about 16 percent
Correct Answer: country population
Solution : The right choice is the second option.
Explanation: In the phrase "country population" the error is the lack of a possessive form. It should be "country's population" to indicate that the population belongs to the country. The possessive form is made by adding
Question : Who is the co-author of the book named "Playing It My Way"?
Option 1: Boria Majumdar
Option 2: Indu Anand
Option 3: Mary Kom
Option 4: Yaswant Sinha
Correct Answer: Boria Majumdar
Solution : The correct option is Boria Majumdar.
Sachin Tendulkar's autobiography, "Playing It My Way", was unveiled in Mumbai on November 5, 2014. Co-authored by Indian sports journalist Boria Majumdar, the book chronicles Tendulkar's formative years, 24-year international cricket journey and personal anecdotes.
Question : What was the capital of the Satavahana Dynasty (60 BC - 225 AD)?
Option 1: Pratishthana
Option 2: Vidisha
Option 3: Patliputra
Option 4: Vanji
Correct Answer: Pratishthana
Solution : The correct option is Pratishthana.
The capital of the Satavahana Dynasty was Pratishthana, also known as Paithan, in present-day Maharashtra, India. This ancient city played a significant role as a political and cultural centre during the reign of the Satavahanas from the 1st century BCE
Question : Find the value of $\frac{\frac{1}{3} + \frac{1}{4}[\frac{2}{5}-\frac{1}{2}]}{1\frac{2}{3} \text{of} \frac{3}{4}-\frac{3}{4} \text{of} \frac{4}{5}}$.
Option 1: $\frac{37}{78}$
Option 2: $\frac{37}{13}$
Option 3: $\frac{74}{78}$
Option 4: $\frac{74}{13}$
Correct Answer: $\frac{37}{78}$
Solution : Given: $\frac{\frac{1}{3} + \frac{1}{4}[\frac{2}{5}–\frac{1}{2}]}{1\frac{2}{3} \text{of} \frac{3}{4}–\frac{3}{4} \text{of} \frac{4}{5}}$ Applying the BODMAS rule, we get, = $\frac{\frac{1}{3}+\frac{1}{4}[\frac{4–5}{10}]}{1\frac{2}{3} \text{of}\frac{3}{4}–\frac{3}{4}\text{of} \frac{4}{5}}$ = $\frac{\frac{1}{3}+\frac{1}{4}[\frac{–1}{10}]}{\frac{5}{3} \text{of}\frac{3}{4}–\frac{3}{4}\text{of}\frac{4}{5}}$ = $\frac{\frac{1}{3}–\frac{1}{40}}{\frac{5}{4}–\frac{3}{5}}$ = $\frac{\frac{40–3}{120}}{\frac{25–12}{20}}$ = $\frac{\frac{37}{120}}{\frac{13}{20}}$ = $\frac{37\times20}{120\times13}$ = $\frac{37}{78}$ Hence, the correct answer is $\frac{37}{78}$.
Question : Which among the following rivers does not flow into the Bay of Bengal?
Option 1: Krishna
Option 2: Yamuna
Option 3: Tapti
Option 4: Mahanadi
Correct Answer: Tapti
Solution : The correct answer is Tapti.
A river in central India, the Tapti River runs westward before emptying into the Arabian Sea, and it is situated south of the Narmada River. Surpassing the states of Maharashtra, Gujarat, and Madhya Pradesh, the river is approximately 724
Question : The diameter of a sphere is 14.7 metres. What will be the volume of the sphere?
Option 1: 1663.893 m3
Option 2: 1873.487 m3
Option 3: 1693.563 m3
Option 4: 1783.723 m3
Correct Answer: 1663.893 m3
Solution : The diameter of a sphere is 14.7 metres. Volume of sphere = $\frac16\pi d^3$, where d is the diameter = $\frac{1}{6}\times\frac{22}{7}\times 14.7\times 14.7\times 14.7$ = 1663.893 m3 Hence, the correct answer is 1663.893 m3.
Question : Directions: Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. NORMAL : PQTOCN :: REGARD : TGICTF :: TRAVEL : ?
Option 1: VTCXFN
Option 2: VTCWGN
Option 3: VTCXGN
Option 4: VTCXGM
Correct Answer: VTCXGN
Solution : Given: NORMAL : PQTOCN :: REGARD : TGICTF :: TRAVEL : ?
Add 2 to the place value of each alphabet of the first, third, and fifth letter clusters to obtain the next letter cluster. Like, NORMAL : PQTOCN→N + 2 = P; O +
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