Staff Selection Commission Combined Graduate Level Exam
Question : Which of the following states has become India's first carbon-free state?
Option 1: Himachal Pradesh
Option 2: Madhya Pradesh
Option 3: Uttar Pradesh
Option 4: Maharashtra
Correct Answer: Himachal Pradesh
Solution : The correct answer is Himachal Pradesh.
A city must use only renewable energy and eliminate all other non-renewable energy sources to achieve zero carbon emissions; thus, a zero-carbon city is one with a renewable energy economy. Himachal Pradesh wants to be the second carbon-free
Question : Select the option that expresses the given sentence in past tense form.
The declarations which come out from that office are not dependable.
Option 1: The declarations which will come out from that office may not be dependable.
Option 2: The declarations which come out from that office were not dependable.
Option 3: The declarations which came out from that office are not dependable.
Option 4: The declarations which came out from that office were not dependable.
Correct Answer: The declarations which came out from that office were not dependable.
Solution : The correct choice is the fourth option.
The correct sentence is: The declarations which came out from that office were not dependable.
Question : A train travelling at 36 km/h crosses a pole in 25 seconds. How much time (in seconds) will it take to cross a bridge 350 m long?
Option 1: 72
Option 2: 48
Option 3: 60
Option 4: 56
Correct Answer: 60
Solution : Speed of train = $36 × \frac{5}{18}$ = 10 m/s Time taken = 25 seconds Length of train = 25 × 10 = 250 m Length of bridge = 350 m Total length = length of tran + length of bridge Total length = 250
Question : certain substances loose their electrical resistance completely at super low temperature. such substance are called
Option 1: super conductors
Option 2: semi conductors
Option 3: dilectrics
Option 4: perfect conductors
Correct Answer: super conductors
Solution : The correct option is superconductors.
Superconductors are substances that fully loose their electrical resistance at very low temperatures. When Heike Kamerlingh Onnes saw that the electrical resistance of mercury dropped to zero at temperatures close to absolute zero (around 273.15 degrees Celsius), he made
Question : Direction: In the following question, select the one which is different from the other three alternatives.
Option 1: 222
Option 2: 10
Option 3: 68
Option 4: 125
Correct Answer: 125
Solution : Let's check the options —
First option: 222; 222 ÷ 2 = 111. 222 is an even number.
Second option: 10; 10 ÷ 2 = 5. 10 is an even number.
Third option: 68; 68 ÷ 2 = 34. 68 is an even number.
Fourth
Question : Direction: In the given question, select the related letters from the given alternatives.
YAWC : UESG :: QIOK : ?
Option 1: MMKO
Option 2: KOME
Option 3: MINC
Option 4: MIKE
Correct Answer: MMKO
Solution : Given:
Like, Y – 4 = U; A + 4 = E; W – 4 = S; C + 4 = G
Similarly, Q – 4 = M; I + 4 = M;
Question : Where in India was the first French factory established?
Option 1: Surat
Option 2: Pondicherry
Option 3: Chandannagar
Option 4: Machilipatnam
Correct Answer: Surat
Solution : The correct option is Surat.
The French opened their first factory in Surat in 1668, and they opened another one in Machilipatnam the next year. Surat was an immensely important port city along the western coast during the 17th century. It was known for its
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.) (60, 5, 6) (48, 8, 3)
Option 1: (17, 3, 4)
Option 2: (25, 4, 6)
Option 3: (24, 4, 3)
Option 4: (25, 4, 3)
Correct Answer: (24, 4, 3)
Solution : Given: (60, 5, 6); (48, 8, 3)
Divide the first number by the third number, and then divide the resultant by 2 to find the second number. Like, (60, 5, 6)→60 ÷ 6 = 10; 10 ÷ 2 = 5 And, (48, 8,
Question : The base of a right prism is a square having a side of 15 cm. If its height is 8 cm, then find the total surface area.
Option 1: 940 cm2
Option 2: 920 cm2
Option 3: 900 cm2
Option 4: 930 cm2
Correct Answer: 930 cm2
Solution :
Area of a base of the prism = (side)2 = (15)2 = 225 cm2 Perimeter of a base of the prism = 4 × (side) = 4 × (15) = 60 cm The total surface area of a prism =
Question : A notebook was sold for Rs. 28, at a profit of 12%. If it had been sold for Rs. 26.25, what would have been the profit percentage?
Option 1: 5%
Option 2: 7%
Option 3: 4%
Option 4: 6%
Correct Answer: 5%
Solution : Given: A notebook was sold for Rs. 28, at a profit of 12%. The selling price (SP) is Rs. 28 and the profit is 12%. Then, cost price (CP) is $\frac{SP × 100}{100 + \text{Profit%}}$. So, CP $= \frac{28 × 100}{100 + 12}=\frac{2800}{112} = 25$
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