Staff Selection Commission Combined Graduate Level Exam
Question : Why does a cannon recoil after firing?
Option 1: Conservation of energy
Option 2: Backward thrust of gases produced
Option 3: Newton's third law of motion
Option 4: Newton's first law of motion
Correct Answer: Newton's third law of motion
Solution : The correct option is Newton's third law of motion.
Newton's third rule of motion, which states that there is an equal and opposite reaction to every action, causes a cannon to recoil when it fires. A projectile is fired from
Question : The unit of noise pollution (level) is:
Option 1: decibel
Option 2: decimal
Option 3: ppm
Option 4: none of these
Correct Answer: decibel
Solution : The correct option is decibel.
The decibel (dB) is the unit of noise pollution (level). The decibel is a logarithmic unit used to measure sound intensity. The quieter the sound, the lower the decibel level. The louder the sound, the greater the decibel level. The
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
We need the energy to move and we (1)__________ on oil for it. Without it, our jobs, our free time and our mobility (2)___________ all be very different. Every day we (3)____________ 70 million barrels of oil. Every year we consume 2,200 million tonnes of coal and 2,500 billion cubic metres of gas. It's a long story! Total (4)____________ in 1924, and for many years it was a French state oil company. In 1999, Total joined Petrofina, the Belgian oil and gas company, and in 2000, Total (5)__________ with its main French competitor, Elf Aquitaine, and the name became Total Fina Elf. Now it's called Total again, and it's France's biggest company.
Select the most appropriate option to fill in blank no.4
Option 1: had founded
Option 2: was founded
Option 3: founded
Option 4: were founded
Correct Answer: was founded
Solution : The correct choice is the second option.
The phrase "was founded" is the correct choice here because it indicates the past action of establishing or creating the company "Total". In the context of the passage, it mentions that Total was established in 1924. The
Question : Which city is known as 'Electronic City'?
Option 1: Gurugram
Option 2: Bengaluru
Option 3: Jaipur
Option 4: Salem(Tamil Nadu)
Correct Answer: Bengaluru
Solution : The correct answer is Bengaluru.
India's state of Karnataka has Bengaluru as its capital. The Silicon Valley of India is another name for the city of Bangalore. Additionally, it is referred to as India's IT (Information Technology) capital. It is one of India's biggest
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. India is one of the largest producers of tea in the world. The industry is (1)________ recognised as technically very well (2) ________. The Indian tea industry is a (3) ________one traditionally. Tea has been used in India for (4) ________ purposes as well as for (5) ________. Question Select the most appropriate option to fill in the blank number 3.
Option 1: flourish
Option 2: condensing
Option 3: flourishing
Option 4: thrashing
Correct Answer: flourishing
Solution : The most appropriate option to fill in the blank is the third option.
Explanation: The adjective flourishing is the correct choice to describe the Indian tea industry. It suggests that the industry is thriving, growing, and doing well. The sentence structure requires an adjective to
Question : A shopkeeper offers a 2.5% discount on cash purchases. What cash amount would Rohit pay for a cycle, the Marked price of which is Rs. 3,600?
Option 1: Rs. 3,490
Option 2: Rs. 3,500
Option 3: Rs. 3,510
Option 4: Rs. 3,520
Correct Answer: Rs. 3,510
Solution : Here, the marked price is = Rs. 3,600 Discount = 2.5% So, the selling price is = 3600 – 2.5% of 3600 ⇒ Selling price = $3600-(\frac{2.5}{100}×3600)=3600-90=3510$ Hence, the correct answer is Rs. 3,510.
Question : The centroid of an equilateral triangle PQR is L. If PQ = 6 cm, the length of PL is:
Option 1: $2 \sqrt{3}\ \text{cm}$
Option 2: $4 \sqrt{3}\ \text{cm}$
Option 3: $5 \sqrt{3}\ \text{cm}$
Option 4: $3 \sqrt{3}\ \text{cm}$
Correct Answer: $2 \sqrt{3}\ \text{cm}$
Solution : Given: The centroid of an equilateral triangle PQR is L. If PQ = 6 cm, the height of the equilateral triangle $=\frac{\sqrt{3}}{2} ×\ \text{side}=\frac{\sqrt{3}}{2} × 6 = 3\sqrt{3} \ \text{cm}$ Also, the centroid divides the height of the triangle into 2 : 1
Question : What is Plural voting system ?
Option 1: Candidates themselves caste more than one vote
Option 2: Only the higher officials caste more than one votes
Option 3: Eligible voter exercises one vote and some voters with psecific qualification cast more than vote
Option 4: All the citizens caste three votes each
Correct Answer: Eligible voter exercises one vote and some voters with psecific qualification cast more than vote
Solution : The Correct Answer is Eligible voter exercises one vote and some voters with psecific qualification cast more than vote
A plurality voting system is one in which the candidate with the
Question : The average weight of a team of 20 people was calculated to be 59.8 kg and it was later discovered that one weight was misread as 68 kg instead of 77 kg. The correct average weight is:
Option 1: 70.25 kg
Option 2: 61.25 kg
Option 3: 60.25 kg
Option 4: 60.50 kg
Correct Answer: 60.25 kg
Solution : We know that, Total weight = Average weight × Number of persons. The average weight of a team of 20 people is 59.8 kg. So, the total weight of 20 people = (59.8 × 20) = 1196 kg Now, correct total weight = (1196
Question : Direction: If the letters of the English alphabet are serially numbered, one of the answers given below has a meaningful word hidden in it. Identify the answer.
Option 1: 13, 8, 9, 17, 14, 22
Option 2: 1, 12, 7, 5, 2, 18, 1
Option 3: 1, 7, 5, 12, 18, 1
Option 4: 4, 21, 7, 18, 13, 1
Correct Answer: 1, 12, 7, 5, 2, 18, 1
Solution : When alphabets are serially numbered →
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
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The Question is not relevant to User
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