Staff Selection Commission Multi Tasking Staff Exam
Question : Select the most appropriate meaning of the given idiom. Beyond the shadow of a doubt
Option 1: located in a remote area
Option 2: live in fear and uncertainty
Option 3: With certainty, for sure
Option 4: Forget all past problems
Correct Answer: With certainty, for sure
Solution : The third option is the correct answer.
The most appropriate meaning of the idiom "beyond the shadow of a doubt" is "with certainty, for sure". This expression is used to indicate that there is no doubt at all about something, emphasising a
Question : Directions: In a certain code language, 321 means hot branded milk, 653 means nice hot day, and 985 means day and night, then what is the code for nice in the same code language?
Option 1: 9
Option 2: 3
Option 3: 5
Option 4: 6
Correct Answer: 6
Solution : Given: 1. 321 means hot branded milk 2. 653 means nice hot day 3. 985 means day and night
nice and 6 both are available in statement 2 only. Also, from statements 2 and 3, day will be coded as 5 as these are the
Question : The average salary of all staff of a school is Rs. 10,000. The average salary of 20 teaching staff is Rs 12,000 and that of non-teaching staff is Rs. 5,000, the number of non-teaching staff will be
Option 1: 7
Option 2: 8
Option 3: 10
Option 4: 12
Correct Answer: 8
Solution : Average salary of all staff = Rs. 10,000 Average salary of 20 teaching staff = Rs. 12,000 Average salary of non-teaching staff = Rs. 5,000 Let the number of non-teaching staff be $x$. Total salary of non-teaching staff = Rs. $,5000x$ Total salary of teaching
Question : The main watchdog of international trade is:
Option 1: World Trade Organisation (WTO)
Option 2: International Finance Corporation (IFC)
Option 3: International Monetary Fund (IMF)
Option 4: World Bank
Correct Answer: World Trade Organisation (WTO)
Solution : The correct option is the World Trade Organisation (WTO).
The World Trade Organisation began operations on January 1st, 1995. It is in charge of regulating global trade and helps its 164 members negotiate trade deals. The organisation also functions as a forum
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 92, 99, 106, 113, 120, ?
Option 1: 117
Option 2: 127
Option 3: 213
Option 4: 217
Correct Answer: 127
Solution : Given: 92, 99, 106, 113, 120, ?
The pattern is as follows – 92 + 7 = 99; 99 + 7 = 106; 106 + 7 = 113; 113 + 7 = 120; 120 + 7 = 127
So, the missing number of the series
Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
She works for eight hours every weekday.
Option 1: for eight hourly
Option 2: for eighth hours
Option 3: for eighth hour
Option 4: No improvement
Correct Answer: No improvement
Solution : The fourth option is correct.
The sentence is well-structured and conveys the intended meaning clearly. It states that she works for eight hours each weekday, and there are no grammatical errors or awkward phrasing in this statement.
Therefore, the given sentence requires no improvement
Question : Who ascended the throne after the death of Ghiyasuddin Tughluq?
Option 1: Muhammad bin Tughluq
Option 2: Nasir-ud-Din Mahmud Shah Tughluq
Option 3: Khusrau Khan
Option 4: Qutbuddin Mubarak Shah
Correct Answer: Muhammad bin Tughluq
Solution : The correct answer is Muhammad bin Tughluq.
After the demise of Ghiyasuddin Tughluq, Muhammad bin Tughluq assumed the throne. During his reign, he expanded the Tughluq dynasty's territories, conquering regions such as Warangal and Madurai. In the newly acquired territories, Muhammad bin
Question : The mean of 20 observations was 42. It was found later that observation 54 was wrongly taken as 45. The corrected new mean is:
Option 1: 45.42
Option 2: 43.5
Option 3: 44.25
Option 4: 42.45
Correct Answer: 42.45
Solution : The mean of 20 initial observations = 42 Sum of initial observations = 42 × 20 = 840 Wrong entry = 45 Correct entry = 54 Sum after correction = 840 – 45 + 54 = 849 $\therefore$ Final mean = $\frac{849}{20}$ = 42.45 Hence,
Question : If $x=-1$, then the value of $\frac{1}{x^{99}}+\frac{1}{x^{98}}+\frac{1}{x^{97}}+\frac{1}{x^{96}}+\frac{1}{x^{95}}+\frac{1}{x^{94}}+\frac{1}{x}-1$ is:
Option 1: 1
Option 2: 0
Option 3: –2
Option 4: –1
Correct Answer: –2
Solution : We have, $\frac{1}{x^{99}}+\frac{1}{x^{98}}+\frac{1}{x^{97}}+\frac{1}{x^{96}}+\frac{1}{x^{95}}+\frac{1}{x^{94}}+\frac{1}{x}-1$ Substituting value of $x=–1$ in the given expression, $=\frac{1}{(–1)^{99}}+\frac{1}{(–1)^{98}}+\frac{1}{(–1)^{97}}+\frac{1}{(–1)^{96}}+\frac{1}{(–1)^{95}}+\frac{1}{(–1)^{94}}+\frac{1}{(–1)}-1$ $=-1+1-1+1-1+1-1-1$ $=–2$ Hence, the correct answer is –2.
Question : If the curved surface area of a cylinder is 440 cm2 and the height of the cylinder is 10 cm, then what is the radius (in cm.) of the cylinder?
Option 2: 14
Option 3: 21
Option 4: 3.5
Correct Answer: 7
Solution : The curved surface area of a cylinder of radius $r$ and height $h$ = $2\pi rh$. Height of the cylinder = 10 cm (given) ∴ $2\pi rh = 440$ ⇒ $2 \times \frac{22}{7} \times r \times 10 = 440$ ⇒ $r = 7$ cm Hence,
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