Staff Selection Commission Multi Tasking Staff Exam
Question : A person walks 10 km at a speed of 2.5 km/hr, then runs 10 km at a speed of 5 km/hr and then goes 30 km by bus at the speed of 30 km/hr. What is the average speed of the man?
Option 1: 9 km/hr
Option 2: 8.25 km/hr
Option 3: 7.14 km/hr
Option 4: 7 km/hr
Correct Answer: 7.14 km/hr
Solution : Time taken to walk 10 km at a speed of 2.5 km/hr = $\frac{10}{2.5}$ = 4 hr Time taken to run 10 km at a speed of 5 km/hr = $\frac{10}{5}$ = 2 hr Time taken to go 30 km by bus at a
Question : The Purple Revolution, which was launched in Jammu and Kashmir, is also known as _______.
Option 1: Lavender Revolution
Option 2: Indigo Revolution
Option 3: Orchids Revolution
Option 4: Lilac Revolution
Correct Answer: Lavender Revolution
Solution : The correct answer is Lavender Revolution.
Through the CSIR's Aroma project, the Union Ministry of Technology and Era launched the Lavender Revolution in 2016. Almost all 20 districts of Jammu and Kashmir are home to lavender farms. Lavender planting is well-framed in Pulwama
Question : What is the simple interest on INR 4,840 at 6% per annum for 10 years?
Option 1: INR 6,840
Option 2: INR 8,462
Option 3: INR 2,904
Option 4: INR 3,540
Correct Answer: INR 2,904
Solution : According to the question $P$ is the principal amount (initial amount of money), $R$ is the rate of interest per annum, and $T$ is the time in years. ⇒ Simple Interest = $\frac{P×R×T}{100}$ = $\frac{4840×6×10}{100}$ = 2904 Hence, the correct answer is INR 2,904.
Question : Minamata disease was caused by:
Option 1: Mercury
Option 2: Lead
Option 3: Cadmium
Option 4: Zinc
Correct Answer: Mercury
Solution : The correct option is Mercury.
Minamata disease is a type of mercury poisoning caused by the release of Methylmercury into the environment. The disease is named after Minamata Bay in Japan, where a chemical company discharged industrial wastewater containing Methylmercury into the bay during
Question : Choose the word that can substitute the given group of words. A woman with brown hair
Option 1: Blunt
Option 2: Brunette
Option 3: Blonde
Option 4: Bumble
Correct Answer: Brunette
Solution : The correct choice is the second option.
Brunette is a term used to describe a person, especially a woman, with brown hair. It specifically refers to the hair colour, making it an appropriate substitute for the given group of words.
The meanings of the other
Question : A car travels 120 km in 4 hours. Calculate its average speed in m/sec. [Give your answer correct to one decimal place.]
Option 1: 8.3 m/s
Option 2: 10.3 m/s
Option 3: 3.8 m/s
Option 4: 9.3 m/s
Correct Answer: 8.3 m/s
Solution : Given: A car travels 120 km in 4 hours. Use the formula, $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$ The distance of the car = 120 km = 120 × 100 = 1,20,000 m Time = 4 hours = 4 × 3600 = 14,400 s ⇒ $\text{Speed}=\frac{120000}{14400}=8.3$ m/s Hence, the
Question : Comprehension: In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. The thought here is that because saliva is (1) ______ alkaline, stimulating it by chewing gum after eating (2) ______ help neutralise the acidity in your mouth and throat. (3) ______ a very small study from 2005 did (4) ______ some merit to this approach, the size of the study makes it difficult to (5) _____ any real conclusions. Question: Select the most appropriate option to fill in the blank number 2.
Option 1: shall
Option 2: need to
Option 3: could
Option 4: may
Correct Answer: may
Solution : The correct choice is the fourth option.
Using "may" suggests that there is a possibility that chewing gum after eating could potentially help neutralise the acidity in your mouth and throat. This word implies a likelihood but does not guarantee the result; it signifies
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".
Many a man (1) / have realised (2) / that real happiness lies in making sacrifices. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The error lies in the second part of the sentence.
Many a is an idiomatic phrase that means "a large number of". It takes a singular noun man and is followed by a singular verb. Therefore, the plural verb, have must be changed to the
Question : Tripti can construct a divider alone in 4 days while Rajan can construct it alone in 3 days. If they construct it together and get a payment of INR 14,000, then what is Tripti's share?
Option 1: INR 7,000
Option 2: INR 5,000
Option 3: INR 8,000
Option 4: INR 6,000
Correct Answer: INR 6,000
Solution : Tripti can construct a divider alone in 4 days. Tripti's 1 day's work = $\frac{1}{4}$ Rajan can construct it alone in 3 days. Ranjan's 1 days's work = $\frac{1}{3}$ Proportion of their shares = $\frac{1}{4}:\frac{1}{3}=3:4$ Total payment = INR 14000 Tripti's share = $14000×\frac{3}{3+4}=14000×\frac{3}{7}=6000$
Question : What is a measure of the moisture present in the air called?
Option 1: Opacity
Option 2: Abrasion
Option 3: Precipitation
Option 4: Humidity
Correct Answer: Humidity
Solution : The correct answer is Humidity.
The amount of water vapour in the air is known as humidity. The humidity will be high if there is a lot of water vapour in the atmosphere. It feels wetter outside the greater the humidity level.
Sweat cannot
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