Staff Selection Commission Multi Tasking Staff Exam
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
Question : Directions: Seven people P, R, S, T, U, V, and W are standing in a straight row facing North. R is standing second to the left of T. T is standing third to the left of W. R and S are not standing at either of the corners. U is the immediate neighbour of V. V is standing in the second position from the right corner. Who is standing to the immediate left of R?
Option 1: U
Option 2: P
Option 3: S
Option 4: V
Correct Answer: P
Solution : Given: (I) Seven people P, R, S, T, U, V, and W are standing in a straight row facing North. (Left end) _, _, _, _, _, _, _. (Right end) (North Facing row) (II) R is standing second to the left of T. T
Question : Select the most appropriate option to fill in the blank.
It was the last ______ of the puzzle.
Option 1: priest
Option 2: pique
Option 3: piece
Option 4: peace
Correct Answer: piece
Solution : The third option is the correct choice.
In the context of solving puzzles, the term piece refers to an individual part that, when combined with others, forms the complete picture.
The meanings of other options are as follows:
Question : Two trains 100 metres and 95 metres long, respectively pass each other in 27 seconds when they run in the same direction and in 9 seconds when they run in opposite directions. The speeds of the two trains are:
Option 1: 44 km/hr, 22 km/hr
Option 2: 52 km/hr, 26 km/hr
Option 3: 36 km/hr, 18 km/hr
Option 4: 40 km/hr, 20 km/hr
Correct Answer: 52 km/hr, 26 km/hr
Solution : Let the speed of the first train be $x$ km/hr and the speed of the second train is $y$ km/hr. Time = $\frac{\text{Total distance}}{{\text{Relative speed in same/Opposite direction}}}$ In the same direction, ⇒ $27=\frac{100+95}{(x-y)×\frac{5}{18}}$ ⇒ $27=\frac{195×18}{5(x-y)}$ ⇒ $x-y=26$ ----------------(i) In the opposite
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.
Planking is free and (1)______ only a couple of minutes - no gym membership or special equipment (2)_______. Squatting, dead-lifting, and pressing overhead without injury is hard to do without a strong (3)________. "We need to keep our spine straight to do these (4)________. Planking provides you with better core strength to be able to brace during these (5)________," Lawton says.
Question: Select the most appropriate option to fill in the blank number 2.
Option 1: required
Option 2: registered
Option 3: catered
Option 4: placed
Correct Answer: required
Solution : The correct choice is the first option.
The context of the passage suggests that planking is a free and time-efficient exercise that doesn't demand a gym membership or special equipment. The word required fits well in this context, indicating that planking doesn't necessitate additional
Question : Directions: In a certain code language, GEFS is written as HFER, and IBIS is written as JCHR. How will STIR be written in that language?
Option 1: RSHQ
Option 2: TUJS
Option 3: RUHS
Option 4: TUHQ
Correct Answer: TUHQ
Solution : Given: GEFS is written as HFER, and IBIS is written as JCHR.
Add 1 in the place value of the first and second letter and subtract 1 from the place value of the third and fourth letter of GEFS, and IBIS to obtain the required
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