Staff Selection Commission Multi Tasking Staff Exam
Question : The unit digit in the product $7^{71}\times 6^{59}\times 3^{65}$ is:
Option 1: $1$
Option 2: $2$
Option 3: $3$
Option 4: $4$
Correct Answer: $4$
Solution : Unit digit of $7^{71}$(Unit digit of $7^{(4)}$ = 1) = Unit digit of $(7^{(4)^(17)} ×7^3) = 3$ Unit digit of $3^{65}$(Unit digit of $3^{(4)}$ = 1) = Unit digit of $(3^{(4)^(16)} \times 3) = 3$ Unit digit of $6^{59} = 6$ Now, unit digit of
Question : In which sport did Mirabai Chanu win India's first gold medal at the Commonwealth Games 2022?
Option 1: Boxing
Option 2: Archery
Option 3: Weightlifting
Option 4: Shooting
Correct Answer: Weightlifting
Solution : The correct option is Weightlifting.
Mirabai Chanu won India's first gold medal in Weightlifting at the Commonwealth Games 2022. She won in the category of 49 Kg event. The game was taking place in Birmingham. This became the third medal in the 2022 Commonwealth Games
Question : A sum of money becomes 1.331 times in 3 years as compound interest. The rate of interest is:
Option 1: 8%
Option 2: 7.5%
Option 3: 10%
Option 4: 50%
Correct Answer: 10%
Solution : Assuming the principal amount to be Rs. 1000. Then the amount will be Rs. 1331. When compounded annually, $A= P(1+\frac{R}{100})^{T}$ Where A is the total amount, $P$ is the principal amount, $R$ is the rate of interest per annum, and $T$ is the time in
Question : In how many years will the simple interest on a sum of Rs. 6000 lent at 5% per annum be equal to the simple interest on a sum of Rs. 2000 lent for 30 years at 4% per annum?
Option 1: 6 years
Option 2: 12 years
Option 3: 20 years
Option 4: 8 years
Correct Answer: 8 years
Solution : Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ We are given that the simple interest on Rs. 6000 at 5% per annum is equal to the simple interest on Rs. 2000 at 4% per annum for 30 years. So, we can set up the
Question : Directions: Which one of the given responses will be a meaningful order of the following? 1. Cutting 2. Dish 3. Vegetable 4. Market 5. Cooking
Option 1: 5, 3, 2, 1, 4
Option 2: 3, 2, 5, 1, 4
Option 3: 4, 3, 1, 5, 2
Option 4: 1, 2, 4, 5, 3
Correct Answer: 4, 3, 1, 5, 2
Solution : Given: 1. Cutting 2. Dish 3. Vegetable 4. Market 5. Cooking
The stages of cooking a dish involve – First, a person has to go to the market, from where he will buy vegetables. Then he will cut the vegetables and
Question : The length, breadth, and height of a cuboid are 4 cm, 6 cm, and 10 cm respectively. Find the total surface area.
Option 1: $248\ \text{cm}^2$
Option 2: $244\ \text{cm}^2$
Option 3: $144\ \text{cm}^2$
Option 4: $222\ \text{cm}^2$
Correct Answer: $248\ \text{cm}^2$
Solution : Given: The length, breadth, and height of a cuboid are 4 cm, 6 cm, and 10 cm respectively. The total surface area of the cuboid of the length $l$, breadth $b$, and height $h$ $=2(lb+bh+lh)$. $=2(4\times 6+6\times 10+10\times 4)$ $=2(24+60+40)$ $=2\times 124 = 248
Question : X and Y together can do a piece of work in 30 days. Z alone can do it in 60 days. If they worked together, then in how many days they can finish the work?
Option 1: 50
Option 2: 25
Option 3: 45
Option 4: 20
Correct Answer: 20
Solution : X and Y together can do a piece of work in 30 days. ⇒ 1 day's work of X + Y = $\frac{1}{30}$ Z alone can do it in 60 days. ⇒ 1 day's work of Z = $\frac{1}{60}$ So, 1 day's work of X
Question : Which of the following tribes belongs to the Indo-European Linguistic family?
Option 1: Garo
Option 2: Gondi
Option 3: Korwa
Option 4: Bhil
Correct Answer: Bhil
Solution : The correct answer is Bhil.
An ethnic group in western India is called Bhil or Bheel. A subgroup of the Western Zone of the Indo-Aryan languages, they speak the Bhil languages. Bhils belong to a tribe called the Indo-Aryan Group. This language family is a
Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
The water leaked in with a hole in the roof.
Option 1: No improvement
Option 2: by a holed
Option 3: through a holes
Option 4: through a hole
Correct Answer: through a hole
Solution : The correct choice is the fourth option.
The prepositional phrase "with a hole" suggests a simultaneous association of the hole in the roof with the water that leaked in, but it lacks clarity in explaining how the water entered through the hole.
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
Smoking is undoubtedly (1) / very injurious (2) / for health. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third part of the sentence.
An appropriate preposition should be used after the adjective "injurious". The correct preposition to use is "to," so the correct phrase is "very injurious to health." In English, the adjective "injurious" requires the preposition "to"
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