Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: Substitute the correct mathematical symbols in place of * in the following equation. 16 * 4 * 5 * 14 * 6
Option 1: ÷, –, =, ×
Option 2: –, ×, +, =
Option 3: ÷, ×, =, +
Option 4: ÷, +, =, –
Correct Answer: ÷, ×, =, +
Solution : Let's check the options – First option: ÷, –, =, × Equation after replacing the signs ⇒ 16 ÷ 4 – 5 = 14 × 6 ⇒ 4 – 5 = 14 × 6 = –1 ≠ 84 (L.H.S. ≠ R.H.S.) Second
Question : What sum of money should be invested to earn a simple interest of INR 5,040 in 3 years and 6 months at a 12% rate of interest per annum?
Option 1: INR 9,000
Option 2: INR 11,000
Option 3: INR 15,000
Option 4: INR 12,000
Correct Answer: INR 12,000
Solution : Simple Interest (SI) = INR 5,040 Time (T) = 3 years 6 months = 42 months Rate (R) = 12% Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ $⇒ 5040 = \frac{(\text{P} × 42 × 12)}{1200}$ $⇒42P = 504000$ $\therefore P = 12000$ Hence,
Question : P alone can complete a work in 15 days and Q alone can complete the same work in 12 days. They start the work together but after 3 days P leaves the work. How much time will Q take to finish the remaining work?
Option 1: 7.2 days
Option 2: 7.8 days
Option 3: 8.5 days
Option 4: 6.6 days
Correct Answer: 6.6 days
Solution : P alone can complete a work in 15 days. ⇒ P's 1 day's work = $\frac{1}{15}$ Q alone can complete the same work in 12 days. ⇒ Q's 1 day's work = $\frac{1}{12}$ So, (P + Q)'s 1 day's work = $\frac{1}{15}+\frac{1}{12}=\frac{3}{20}$ ⇒ (P
Question : Directions: Select the option that is related to the third letter in the same way as the second letter is related to the first letter: A : Z :: I : ?
Option 1: V
Option 2: S
Option 3: R
Option 4: T
Correct Answer: R
Solution : Given: A : Z :: I : ?
Like, A : Z→Z is the opposite letter of A. Similarly, follow the same pattern for I : ?→R is the opposite letter of I.
So, the required missing letter is R. Hence, the third option is
Question : The average of the set of scores 512, 528, 556, 584, and 615 is:
Option 1: 586
Option 2: 559
Option 3: 530
Option 4: 600
Correct Answer: 559
Solution : Given: The set of scores 512, 528, 556, 584 and 615. $\text{Average}=\frac{\text{Sum of obseravtions}}{\text{The total number of obseravations}}$ The average of the set of scores 512, 528, 556, 584, and 615 $=\frac{512+528+556+584+615}{5}=\frac{2795}{5}=559$ Hence, the correct answer is 559.
Question : Which player was widely known by the name of Flying Sikh?
Option 1: Milkha Singh
Option 2: Harbhajan Singh
Option 3: Arshdeep Singh
Option 4: Yuvraj Singh
Correct Answer: Milkha Singh
Solution : The correct answer is Milkha Singh.
He received the nickname "Flying Sikh" from Pakistani General Ayub Khan following his victory over Abdul Khaliq in 1960. The first Indian to win a gold medal in individual athletics at the Commonwealth Games is Milkha Singh.
Question : The following sentence has been divided into parts. 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.
The new media / is more faster / and more popular.
Option 1: No error
Option 2: is more faster
Option 3: and more popular
Option 4: the new media
Correct Answer: is more faster
Solution : The error lies in the second option.
The correct comparative form of "fast" is "faster", which means to move fast, and using "more" before it is redundant.
Therefore, the correct sentence is: "The new media is faster and more popular."
Question : Select the most appropriate option to fill in the blank.
Accuracy rates of facial recognition algorithms are ______ low in the case of minorities, women and children, as demonstrated in multiple studies across the world.
Option 1: smoothly
Option 2: Carelessly
Option 3: Particularly
Option 4: Beautifully
Correct Answer: Particularly
Solution : The correct choice is the third option.
Particularly means specifically. It is used for emphasis, and it helps convey that the accuracy rates of facial recognition are specifically low in the cases of minorities, women, or children.
Therefore, the complete sentence is: "Accuracy rates
Question : Dinesh makes four trips of equal distances. His speed on the first trip was 140 km/hr and in each subsequent trip, his speed was half of the previous trip. What is the average speed of Dinesh in these four trips?
Option 1: $40$ km/hr
Option 2: $44$ km/hr
Option 3: $\frac{112}{3}$ km/hr
Option 4: $\frac{124}{3}$ km/hr
Correct Answer: $\frac{112}{3}$ km/hr
Solution : Let the distance be $x$ km. Dinesh's speed on the first trip was 140 km/hr. Time taken = $\frac{x}{140}$ His speed in 2nd trip = $\frac{140}{2}=70$ km/hr Time taken = $\frac{x}{70}$ His speed in 3rd trip = $\frac{70}{2}=35$ km/hr Time taken = $\frac{x}{35}$ His
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
The actor died when his car turned ___.
Option 1: Tiger
Option 2: Tortoise
Option 3: Across
Option 4: Turtle
Correct Answer: Turtle
Solution : The correct choice is the fourth option "turtle".
"Turned turtle'' fits perfectly to convey the intended meaning of the sentence that the actor died in a car accident when his car overturned. ''Turned turtle'' is an idiom used to describe a situation where a vehicle
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