Staff Selection Commission Combined Graduate Level Exam
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Everything we know about non-avian dinosaurs is ________ (1) fossils, which include bones, teeth, footprints, tracks, eggs, and skin impressions. For centuries, people throughout the world have ________ (2) amazing fossilized bones and footprints. Early finds inspired_______ (3) and fairy tales, and people ________ (4) that these bones belonged to________ (5) or huge monsters.
Question:
Select the most appropriate option to fill in the blank number 5.
Option 1: spirits
Option 2: devils
Option 3: ghosts
Option 4: giants
Correct Answer: giants
Solution : The correct choice is the fourth option.
The most suitable word to complete the sentence would be "giants". The completed sentence would be: "These bones belonged to giants or huge monsters." This choice implies that the bones could have come from either beings of
Question : Which of the following pairs is incorrectly matched?
Option 1: Bryophyta - Moss
Option 2: Angiosperms - Rose
Option 3: Pteridophyta - Cycas
Option 4: Gymnosperms - Pinus
Correct Answer: Pteridophyta - Cycas
Solution : The correct option is Pteridophyta - Cycas.
The pair Pteridophyta - Cycas is incorrectly matched. Pteridophyta is a division of plants that includes ferns, horsetails, and clubmosses, among others. Cycas, on the other hand, is a genus of plants that belongs to
Question : Microbial degradation of nitrates into atmospheric nitrogen is known as:
Option 1: Ammonification
Option 2: Nitrification
Option 3: Denitrification
Option 4: Putrefaction
Correct Answer: Denitrification
Solution : The correct answer is Denitrification.
Denitrification is the process of converting nitrates or nitrites in soil into elemental nitrogen gas. Pseudomonas, Thiobacillus, Micrococcus etc. are some common denitrifying bacteria found in atmosphere which help in completing nitrogen cycle.
Question : Which is not an external storage device ?
Option 1: CD - ROM
Option 2: DVD - ROM
Option 3: Pen Drive
Option 4: RAM
Correct Answer: RAM
Solution : The correct answer is RAM.
RAM, or Random-access memory, serves as an internal storage medium where the CPU stores and accesses data in current use. It boasts impressive speed; however, the RAM is volatile, meaning that any data stored in it is lost when the
Question : Anuradha invests her money in a firm where the principal amount becomes 3 times in 10 years. What is the yearly rate of simple interest offered by the firm?
Option 1: 25%
Option 2: 20%
Option 3: 22%
Option 4: 18%
Correct Answer: 20%
Solution : Let $P$ be the principal and $R$ be the rate of interest. Total amount = $3P$ Simple interest, SI = $3P-P$ = $2P$ Term, $n$ = 10 years Now, SI = $\frac{PnR}{100}$ ⇒ $2P$ = $\frac{P×10×R}{100}$ So, $R$ = 20% Hence, the correct answer is
Question : Given: In a certain code, FRACTION is written as FNAITCOR. How is QUANTITATIVE written in that code?
Option 1: QTNAVIAITETU
Option 2: QIATAETUTNVI
Option 3: QTEATUIAVITN
Option 4: QEAITATITNVU
Correct Answer: QEAITATITNVU
Solution : Given:
FRACTION is written as FNAITCOR.
In the given code, every odd-positioned letter remains in the same position, while the letters at even positions are reversed.
Let's apply this pattern to QUANTITATIVE –
Question : Directions: In a certain code language, BELL is coded as 111141 and HEAR is coded as 172647. How will MIKE be coded in that language?
Option 1: 410813
Option 2: 410811
Option 3: 410812
Option 4: 410612
Correct Answer: 410812
Solution : Given: BELL is coded as 111141, and HEAR is coded as 172647.
Subtract 1 from the place values of the letters of BELL and then reverse the order of the numbers to get the required code.
So, BELL is coded as 111141. And, HEAR is
Question : A thief robs precious metals from a store that is 1150 m away from the police. The thief starts running at 6 km/h and the police start chasing at 11 km/h at the same time. How much distance (in m) will the thief run before being caught?
Option 1: 1485
Option 2: 1380
Option 3: 1125
Option 4: 1280
Correct Answer: 1380
Solution : The thief is running at a speed of 6 km/h and the police are chasing at a speed of 11 km/h. The relative speed of the police concerning the thief is (11 – 6) km/h = 5 km/h. The initial distance between the thief and
Question : Mother told her daughter, "Seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be". Find the present ages of the mother and the daughter, respectively.
Option 1: 45 and 15
Option 2: 40 and 10
Option 3: 42 and 12
Option 4: 50 and 20
Correct Answer: 42 and 12
Solution : Let the present age of the mother be $x$ and the age of the daughter be $y$. According to the question, $x-7 = 7(y-7)$ ⇒ $x-7 = 7y - 49$ ⇒ $x-7y = -42$ Also after 3 years, $x+3 = 3(y+3)$ ⇒ $x-3y
Question : Industrial growth of different countries (in crores of INR):
How many countries' industrial growth is more than the average industrial growth?
Option 1: 3
Option 2: 4
Option 3: 2
Option 4: 1
Correct Answer: 2
Solution : Industrial growth of India = 30 (in crores of INR) The Industrial growth of the Pakistan = 20 (in crores of INR) The Industrial growth of the China = 50 (in crores of INR) The Industrial growth of the England = 40 (in crores of
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