Staff Selection Commission Multi Tasking Staff Exam
Question : A sum of money at simple interest amounts to INR 800 in 3 years and to INR 900 in 4 years. The sum is:
Option 1: INR 800
Option 2: INR 600
Option 3: INR 500
Option 4: INR 700
Correct Answer: INR 500
Solution : Amount for 3 years = INR 800 Amount for 4 years = INR 900 Simple interest = Amount – Principal $\therefore$ Simple interest for third year = 900 – 800 = INR 100 Total simple interest for 3 years = 100 × 3 =
Question : A speeding car travelling at 40 km/hr decides to slow down to 30 km/hr after covering half the distance. What is the average speed?
Option 1: $30$ km/hr
Option 2: $\frac{120}{7}$ km/hr
Option 3: $\frac{240}{7}$ km/hr
Option 4: $35$ km /hr
Correct Answer: $\frac{240}{7}$ km/hr
Solution : Here $s_1=40$ and $s_2=30$ $\therefore$ Average speed = $\frac{2s_1s_2}{s_1+s_2}=\frac{2×40×30}{40+30}=\frac{240}{7}$ km/hr Hence, the correct answer is $\frac{240}{7}$ km/hr.
Question : Which of the following is the least literate state in India according to Census 2021?
Option 1: Gujarat
Option 2: Bihar
Option 3: Assam
Option 4: Odisha
Correct Answer: Bihar
Solution : The correct answer is Bihar.
According to the 2011 Census data, Bihar, an Indian state, recorded the lowest literacy rate at 63.8%. In this context, individuals above the age of seven are deemed illiterate if they lack primary reading and writing skills. Notably, Bihar
Question : If the cost price of an article is 80 percent of its selling price, then what is the profit percentage?
Option 1: 50%
Option 2: 33.33%
Option 3: 25%
Option 4: 30%
Correct Answer: 25%
Solution : Given: The cost price of an article is 80% of the selling price. Let the selling price be $x$. ⇒ Cost price = $0.8 × x$ = $0.8x$ Profit percentage $=\frac{\text{Selling price – Cost price}}{\text{Cost price}}×100$ $=\frac{(x - 0.8x)}{0.8x} × 100$ $=\frac{0.2x}{0.8x}× 100$ $=25$% Hence,
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
This is on far a best ice cream I have ever had.
Option 1: by far the best
Option 2: at farthest a good
Option 3: by far more better
Option 4: No improvement required
Correct Answer: by far the best
Solution : The most appropriate option is the first option.
Explanation: The original sentence has a grammatical error as it lacks the correct adverb phrase to convey the superlative form of comparison. The phrase on far is incorrect, and the correct expression is
Question : Improve the underlined part of the sentence. Choose 'no improvement' as an answer if the sentence is grammatically correct.
She was born with full sight and hearing
Option 1: full sighting
Option 2: full sight
Option 3: full sighted
Option 4: no improvement
Correct Answer: no improvement
Solution : The fourth option is the correct choice.
The sentence is clear and conveys the intended meaning without any ambiguity. It indicates that the person has had normal sight and hearing abilities from birth.
Therefore, no improvement is required.
Question : In organic compounds, Nitrogen is estimated by
Option 1: Carius method
Option 2: Victor-Meyer's method
Option 3: Liebig's method
Option 4: Dumas' method
Correct Answer: Dumas' method
Solution : The correct option is Dumas' method.
To determine the Nitrogen concentration of organic substances, the Dumas method is utilised. A sample is heated to produce nitrogen gas, which is then collected, and quantified in this process. In a high-temperature furnace, the sample is
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Dinner in the Great Hall that night (1)___________ a pleasant experience for Sunny. The (2)__________ about his shouting match with Umbridge had (3)_________ exceptionally fast even (4)__________ standards. He heard whispers all (5)__________ as he sat eating between Rob and Ravi.
Question: Select the most appropriate option to fill in the blank number 4.
Option 1: by the institute's
Option 2: as the institute's
Option 3: of the institutes'
Option 4: at the institute
Correct Answer: by the institute's
Solution : The first option is correct.
In the sentence, the phrase by the institute's standards is used to compare the speed of the news spreading to the usual or expected rate set by the institute itself.
As the institute's, of the institute's, and at
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No error.'
Before he could devote many more / thought to the matter, Pranav / had stepped up to him.
Option 1: before he could devote many more
Option 2: thought to the matter, Pranav
Option 3: had stepped up to him
Option 4: No error
Correct Answer: before he could devote many more
Solution : The error lies in the first option.
Question : Directions: A, B, C, D, E, and F are standing in a circle talking, facing the centre of the circle. E is standing immediately right of C. D is standing at the third position towards the left of C. A is standing at the second place towards the right of F. Who is standing to the immediate right of D?
Option 1: B
Option 2: E
Option 3: C
Option 4: A
Correct Answer: A
Solution : Given: (I) A, B, C, D, E, and F are standing in a circle talking, facing the centre of the circle.
(II) E is standing immediately right of C. D is standing at the third position towards the left of C. A is standing at
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