Staff Selection Commission Multi Tasking Staff Exam
Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct. I'll see you in the meets next week
Option 1: at the meeting
Option 2: No improvement
Option 3: of the meeting
Option 4: on the meeting
Correct Answer: at the meeting
Solution : The first option is the correct choice.
Explanation: The original sentence is incorrect as it wrongly uses "in" instead of "at" when referring to a meeting. "In" indicates a general location, while "at" is appropriate for specifying a particular event, such as
Question : The radius of the base of a conical tent is 8 m and its height is 15 m, what is the cost of the material needed to make it if it costs Rs. 54 per $\pi\ \mathrm{m}^2$?
Option 1: INR 6454
Option 2: INR 7344
Option 3: INR 8678
Option 4: INR 7454
Correct Answer: INR 7344
Solution : The radius of the base of a conical tent, $r$ = 8 m Height, $h$ = 15 m $\therefore$ Slant height, $l$ = $\sqrt{r^2 + h^2}=\sqrt{8^2 + 15^2}=\sqrt{289}= 17$ m Curved surface area of cone = $\pi rl=8 × 17× \pi=136\pi$ m2 Cost
Question : which of the following is correct about Insulin?
Option 1: increases blood sugar
Option 2: decreases blood sugar
Option 3: constricts blood vessels
Option 4: stimulates lactation
Correct Answer: decreases blood sugar
Solution : The correct answer is decreasing blood sugar.
Insulin and glycogen together regulate the blood sugar level in the human body. Insulin is a hormone secreted by the pancreas which decreases the blood sugar level. It is released by beta cells in the 'islets
Question : Each side of a square is increased by 10%. The percentage increase in its area is:
Option 1: 25
Option 2: 12.5
Option 3: 20
Option 4: 21
Correct Answer: 21
Solution : Given: Each side of a square is increased by 10%. Let the sides of the square be 100 units. So, the area of the square = (100 × 100) = 10000 units After a 10% increase, the sides = (100 + 10) = 110 units
Question : Train P crosses train Q completely in 45 seconds while running in opposite directions. The lengths of train P and train Q are 1200 metres and 1500 metres respectively. The speed of train Q is 144 km/hr. In how much time can train P to cross an 1800 metres long platform?
Option 1: 180 seconds
Option 2: 175 seconds
Option 3: 120 seconds
Option 4: 150 seconds
Correct Answer: 150 seconds
Solution : When two trains cross each other running in opposite directions, their relative speed is the sum of their speeds. Given that train P crosses train Q in 45 seconds, the total length they cover is the sum of their lengths i.e. 1200 m +
Question : The first high court in India was established in _______.
Option 1: 1860
Option 2: 1862
Option 3: 1867
Option 4: 1857
Correct Answer: 1862
Solution : The correct answer is 1862.
It was formally known as the High Court of Judicature at Fort William. The first high court in India was established in Calcutta (now Kolkata) in the year 1862 during British rule. After the Sepoy Mutiny in 1857, the
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 58, 62, 71, 87, 112, ?
Option 1: 158
Option 2: 148
Option 3: 138
Option 4: 140
Correct Answer: 148
Solution : Given: 58, 62, 71, 87, 112, ?
In the above-given series, add squares of natural numbers to the previous numbers to obtain the next numbers. 58 + (2)2 = 58 + 4 = 62 62 + (3)2 = 62 + 9 = 71
Question : Directions: A represents doctors, B represents pianists and C represents writers while D represents singers. Which of the statements is most appropriate?
Option 1: All singers are doctors
Option 2: All writers and pianists are doctors
Option 3: All pianists are singers
Option 4: None of these
Correct Answer: All writers and pianists are doctors
Solution : Given: A represents doctors, B represents pianists, C represents writers and D represents singers.
Let's check each option – First option: All singers are doctors – According to the figure, there is no overlap between D and A. Therefore, this
Question : An inkjet printer can print 8 lines/second and can print a document in 6 minutes. How much time would an LED printer take to print the same document if it can print 7 lines/second more than the inkjet printer?
Option 1: 2 min 54 sec
Option 2: 2 min 50 sec
Option 3: 3 min 12 sec
Option 4: 3 min 4 sec
Correct Answer: 3 min 12 sec
Solution : Given, An inkjet printer can print 8 lines/second and can print a document in 6 minutes. An LED printer can print 7 lines/second more than an inkjet printer. We know, Work done = rate × time ⇒ Number of lines in the
Question : Directions: Five friends X, Y, Z, A, and B are sitting in a circle facing the centre. X is to the immediate left of Y and the immediate right of Z. B is to the immediate right of A. Who is to the immediate left of A?
Option 1: X
Option 2: Y
Option 3: B
Option 4: Z
Correct Answer: Y
Solution : Given: (I) X is to the immediate left of Y and the immediate right of Z.
(II) B is to the immediate right of A.
So, Y is to the immediate left of A. Hence, the second option is correct.
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