Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: In this 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.
He ____ his mistake.
Option 1: understood
Option 2: solved
Option 3: finished
Option 4: realised
Correct Answer: realised
Solution : The correct choice is the fourth option.
Explanation: In this context, the word realised is the most appropriate choice, as it conveys the idea of becoming aware of or understanding one's mistake. The other options, such as understood, solved, or finished, do not accurately
Question : The average weight of a group of 20 persons is 40 kg. The average weight of another group of 40 persons is K kg. If the average weight of all the 60 persons is 60 kg, then what is the value of K?
Option 1: 80
Option 2: 60
Option 3: 40
Option 4: 70
Correct Answer: 70
Solution : Now, using the average formula, the total weight of all 60 persons is 60 × 60 kg. ⇒ (20 × 40) + (40 × K) = 60 × 60 ⇒ 800 + 40K = 3600 ⇒ 40K = 3600 – 800 = 2800 ⇒ K
Question : Which of the following Indian states is the biggest in terms of area?
Option 1: Rajasthan
Option 2: Uttar Pradesh
Option 3: Madhya Pradesh
Option 4: Maharashtra
Correct Answer: Rajasthan
Solution : The correct option is Rajasthan.
In terms of land area, Rajasthan is the largest state in India. It is renowned for its wide, dry landscapes, deserts, and ancient forts and palaces. It is situated in northwest India. Rajasthan is the largest state in India
Question : Which of the following books is authored by Indu Sundaresan?
Option 1: The Feast of Roses
Option 2: Ajaya: Rise of Kali
Option 3: The Secret of the Nagas
Option 4: The One You Cannot Have
Correct Answer: The Feast of Roses
Solution : The correct option is The Feast of Roses.
"The Feast of Roses" is authored by Indu Sundaresan. It is the second novel in her historical fiction trilogy based on the life of Empress Nur Jahan, following "The Twentieth Wife." Indu Sundaresan is
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.
Statistics ______ always my worst subject.
Option 1: were
Option 2: is
Option 3: have
Option 4: are
Correct Answer: is
Solution : The correct choice is the second option.
To maintain the proper subject-verb agreement in a sentence, it's important to choose the verb form that matches the number of the subject. In this sentence, when treating "statistics" as singular, the correct verb form is "is", which
Question : The first woman to swim across seven seas was:
Option 1: Chandini saha
Option 2: Bula Choudhury
Option 3: Mridula Rajiv
Option 4: Priya Shanbhag
Correct Answer: Bula Choudhury
Solution : The correct option is Bula Choudhury.
Former swimmer Bula Choudhury from India made history in 2005 when she became the first woman to swim through water channels off all five continents. She was the first woman to swim the English Channel twice, once in
Question : Directions: In the following question, some equations are solved based on a certain system. Find out the correct answer for the unsolved equation on that basis. 1 × 2 × 4 = 212, 5 × 6 × 8 = 654, 3 × 7 × 2 = ?
Option 1: 173
Option 2: 713
Option 3: 731
Option 4: 317
Correct Answer: 731
Solution : Given: 1 × 2 × 4 = 212, 5 × 6 × 8 = 654, 3 × 7 × 2 = ?
Interchange the position of the first two numbers and half the third number, to obtain the resultant. Like, 1 × 2 × 4
Question : A piece of work can be completed by P and Q together in 24 days, and the same piece of work can be completed by R alone in 60 days. If P and R together can do the same work in 36 days, then find the time taken by Q to complete this piece of work alone.
Option 1: $8\frac{4}{5}$days
Option 2: $29\frac{9}{13}$days
Option 3: $3\frac{6}{7}$days
Option 4: $32\frac{8}{11}$days
Correct Answer: $32\frac{8}{11}$days
Solution : One day work of P and Q together $= \frac{1}{24}$........................(equation 1) One day work of R $= \frac{1}{60}$........................(equation 2) One day work of P and R together $= \frac{1}{36}$........................(equation 3) From equation 2 and 3, we get: One day work of P $= \frac{1}{36}-\frac{1}{60}=\frac{1}{90}$........................(equation 4)
Question : A person goes from J to K at a speed of 55 km/hr. He comes back from K to J at a certain speed. If his average speed is $\frac{660}{17}$ km/hr, then what was his speed while moving from K towards J?
Option 1: 24 km/hr
Option 2: 38 km/hr
Option 3: 30 km/hr
Option 4: 42 km/hr
Correct Answer: 30 km/hr
Solution : Speed, $S_1$ = 55 km/hr Average speed = $\frac{660}{17}$ km/hr Let $S_2$ be the required speed. Average speed = $\frac{2S_1S_2}{S_1+S_2}$ $⇒\frac{660}{17}=\frac{2×55×S_2}{55+S_2}$ $⇒\frac{660}{17}=\frac{110×S_2}{55+S_2}$ $⇒\frac{6}{17}=\frac{S_2}{55+S_2}$ $⇒330 + 6S_2 = 17S_2$ $⇒330 = 11S_2$ $\therefore S_2 = 30$ km/hr Hence, the correct answer is 30 km/hr.
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
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