Staff Selection Commission Combined Graduate Level Exam
Question : Chemobyl disaster is the result of pollution by
Option 1: Oil spill
Option 2: Acid rain
Option 3: Carbon dioxide
Option 4: Radioactive waste
Correct Answer: Radioactive waste
Solution : The correct option is - Radioactive waste
Due to a steam explosion that spilled a dangerous reactor core into the environment, the Chernobyl accident in 1986 caused the deposition of radioactive materials in several nations around Europe. A large number of radioactive particles containing
Question : Select the most appropriate idiom or phrase to fill in the blank in the given sentence. He is rich and famous and expects everyone to _____ on him.
Option 1: tap dance like mad
Option 2: dead duck
Option 3: give a song and dance
Option 4: dance attendance
Correct Answer: dance attendance
Solution : The correct choice is the fourth option.
Dance attendance is an idiom that means to serve or attend to someone's needs, desires, or demands, often in a very attentive or obsequious manner. In this context, the rich person expects others to be at his
Question : From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are $30^{\circ}$ and $45^{\circ}$, respectively. If the bridge is at a height of 2.5 m from the banks, then the width of the river is: Take ($\sqrt{3}$ = 1.732).
Option 1: 5.83 metres
Option 2: 6.83 metres
Option 3: 5.76 metres
Option 4: 6.87 metres
Correct Answer: 6.83 metres
Solution : Given, The height of the bridge PD = 2.5 metres. Taking one side of the river In $\triangle$ PAD, tan 30° = $\frac{\text{PD}}{\text{AD}}$ $\frac{1}{\sqrt{3}}$ = $\frac{2.5}{\text{AD}}$ ⇒ AD = 2.5$\sqrt{3}$ Taking another side of the river In $\Delta$ PBD, tan 45° = $\frac{\text{PD}}{\text{BD}}$ 1
Question : Directions: A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like –
Hence, the first option is correct.
Question : Commercialisation of agriculture is an indication of________.
Option 1: income surplus
Option 2: producers surplus
Option 3: consumer surplus
Option 4: marketable surplus
Correct Answer: marketable surplus
Solution : The correct option is marketable surplus.
The commercialization of agriculture serves as a clear indication that farmers are producing a surplus of goods that can be sold in the market. In this context, "marketable surplus" refers to the portion of agricultural produce that goes
Question : Direction: The table below shows the distribution of number of people living in 8 different countries and the per capita income of each of the countries. The total population of these countries taken together is 200 crore. Per capita income = $\frac{\text{Total GDP of country}}{\text{Population of the country}}$
Which country has the highest total GDP?
Option 1: Country 1
Option 2: Country 2
Option 3: Country 3
Option 4: Country 8
Correct Answer: Country 3
Solution : Given, Per capita income = $\frac{\text{Total GDP of country}}{\text{Population of the country}}$ ⇒ Total GDP of the country = Population $\times$ Per capita income Country 1 GDP is given as, $200×\frac{12}{100}\times 11850 = 284400$ Country 2 GDP is given as, $200×\frac{24}{100}\times 5350 = 256800$
Question : Of the 3 numbers whose average is 22, the first is $(\frac{3}{8 })^{th}$ of the sum of the other 2. What is the first number?
Option 1: 16
Option 2: 20
Option 3: 22
Option 4: 18
Correct Answer: 18
Solution : Let the first number, second number, and third number be $x, y$, and $z$ respectively. Given: $x = \frac{3(y+z)}{8}$ ⇒ $y+z = \frac{8x}{3}$ Now, the average of three numbers = 22 Sum of the numbers = 3 × 22 = 66 According to the question:
Question : Select the option that can be used as a one-word substitute for the given group of words. Causing or ending in death.
Option 1: Gruesome
Option 2: Foster
Option 3: Fatal
Option 4: Grotesque
Correct Answer: Fatal
Solution : The correct choice is the third option.
It means causing or ending in death, often used to describe something deadly.
The meanings of the other options are as follows:
Question : Who is known as the 'Father of Modern Dance in India'?
Option 1: Uday Shankar
Option 2: Birju Maharaj
Option 3: Gopi Krishna
Option 4: Guru Bipin Singh
Correct Answer: Uday Shankar
Solution : The correct answer is Uday Shankar.
With his innovative methods and creative works, Uday Shankar was the first to introduce the idea of modern dance to India. The father of modern dance in India is Uday Shankar. He was an Indian dancer and
Question : Directions: In a certain code language, DRAWING is written as CQZVHMF, and TURQUOISE is written as STQPTNHRD, how will COLOR be written in that language?
Option 1: BNKNQ
Option 2: BMKMQ
Option 3: ANKNQ
Option 4: AMKMQ
Correct Answer: BNKNQ
Solution : Given: DRAWING is written as CQZVHMF –
Subtract 1 from the place value of each letter of DRAWING to obtain the required code – D – 1 = C; R – 1 = Q; A – 1 = Z; W – 1 = V; I
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