Staff Selection Commission Multi Tasking Staff Exam
Question : What is the atomic number of nitrogen in the science periodic table?
Option 1: 21
Option 2: 7
Option 3: 18
Option 4: 11
Correct Answer: 7
Solution : The correct option is 7.
Nitrogen is a chemical element with atomic number 7. It is a gas at room temperature. Nitrogen is used for the production of ammonia (NH3). The process through which ammonia is produced is known as the Haber
Question : Directions: In the given question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
The new government took __________ last year.
Option 1: after
Option 2: over
Option 3: upon
Option 4: out
Correct Answer: over
Solution : The correct choice is the second option.
The word over is the correct choice in this sentence because it indicates the assumption of control or responsibility. When a new government "takes over," it means it assumes authority and leadership, which is the intended meaning in
Question : Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer. You have to understood what normal political rhetoric looks like.
Option 1: understood what normal
Option 2: political rhetoric looks like
Option 3: No error
Option 4: You have to
Correct Answer: understood what normal
Solution : The right choice is the first option.
Explanation: In the phrase "you have to understood" the error lies in the use of "understood" which is the past participle form of the verb "understand". However, after modal verbs like "have to" which express necessity
Question : What is the value of 9 × 121 + 11 × 84 ÷ 4?
Option 1: 1240
Option 2: 1320
Option 3: 1230
Option 4: 1340
Correct Answer: 1320
Solution : 9 × 121 + 11 × 84 ÷ 4 = 9 × 121 + 11 × 21 = 1089 + 231 = 1320 Hence, the correct answer is 1320.
Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series? TX, XB, BF, FJ, ?
Option 1: KN
Option 2: KM
Option 3: JM
Option 4: JN
Correct Answer: JN
Solution : Given: TX, XB, BF, FJ, ?
In the above-given series, add 4 to the place value of each letter of the previous term to get the next term. TX→T + 4 = X; X + 4 = B XB→X + 4 = B; B +
Question : Find the sum of money invested by a man in a scheme that offers compound interest(compounding annually) at a 6% rate of interest per annum if compound interest for 2 years is Rs. 618.
Option 1: Rs. 7000
Option 2: Rs. 9000
Option 3: Rs. 5000
Option 4: Rs. 4000
Correct Answer: Rs. 5000
Solution : $\text{Total Amount}=\text{Principal}[(1+\frac{\text{Rate}}{100})^{\text{Time}}-1]$ $⇒\text{618}=\text{Principal}[(1+\frac{\text{6}}{100})^{\text{2}}-1]$ $⇒\text{618}=\text{Principal}[(\frac{\text{106}}{100})^{\text{2}}-1]$ $⇒\text{618}=\text{Principal}[(\frac{\text{11236}}{10000})-1]$ $⇒\text{618}=\text{Principal}[(\frac{\text{1236}}{10000})]$ $⇒\text{618}\times (\frac{10000}{1236})=\text{Principal}$ $\therefore\text{Principal}=5000$ Hence, the correct answer is Rs. 5000.
Question : In an election between two candidates, the total number of votes polled was ' y '. 40 % of votes were invalid. The winning candidate got 60 % of the valid votes, while the other candidate lost by 6000 votes. Find the value of ' y '.
Option 1: 45000
Option 2: 50000
Option 3: 40000
Option 4: 30000
Correct Answer: 50000
Solution : Total number of votes polled = $y$ Number of invalid votes = 40% of $y$ = $\frac{40y}{100}$ = $\frac{2y}{5}$ Number of valid votes = $1-\frac{2y}{5} = \frac{3y}{5}$ Votes of the winning candidate = 60% of $\frac{3y}{5} = \frac{60×3y}{100×5} = \frac{9y}{25}$ Votes of the lost candidate
Question : Directions: The following bar diagram graph depicts the sales of items (in lakhs) in departmental stores from April to August in the current year. Study the graph and answer the following questions using the data provided here.
The average monthly sale (in Lakhs) is:
Option 1: 600 lakhs
Option 2: 650 lakhs
Option 3: 720 lakhs
Option 4: 780 lakhs
Correct Answer: 720 lakhs
Solution : The average monthly sale = $\frac{\text{Total sale}}{\text{Number of months}}$ = $\frac{500+300+800+900+1100}{5}$ = $\frac{3600}{5}$ = 720 lakhs Hence, the correct answer is 720 lakhs.
Question :
Directions: In the following question, select the related word from the given alternatives. Giant : Dwarf :: Genius : ?
Option 1: Idiot
Option 2: Tiny
Option 3: Wicked
Option 4: Gentle
Correct Answer: Idiot
Solution : Given: Giant : Dwarf :: Genius : ?
Like, the antonym of the word dwarf is giant. Similarly, the antonym of the idiot is genius.
Hence, the first option is correct.
Question : Select the most appropriate option to fill in the blank. Sitting at the computer, I saw something large and dark fall past my______ vision, followed by a dull thwack.
Option 1: central
Option 2: external
Option 3: peripheral
Option 4: incidental
Correct Answer: peripheral
Solution : The correct choice is the third option.
The most appropriate option to fill in the blank is peripheral.
In this context, "peripheral vision" refers to the outer part of the visual field, which allows the speaker to perceive objects and movement outside of his direct
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