Staff Selection Commission Combined Graduate Level Exam
Question : Directions: The bar chart given below shows the percentage distribution of the production of various models of mobile manufacturing in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones, and in 2008, the production was 44 lakh. Study the chart and answer the following questions:
If 85% of type D mobiles produced each year were sold by the company, how many D-type mobiles remained unsold?
Option 1: 76,500
Option 2: 93,500
Option 3: 1,18,500
Option 4: 1,22,500
Correct Answer: 1,18,500
Solution : As per the given graph, If 85% of the type D mobiles are sold, then 15% remains unsold. The total production of mobile phones of type D in 2007 = 10% of 35 lakh = 3,50,000 The total production of mobile phones of type D
Question : $O$ is the circumcentre of the isosceles $\triangle ABC$. Given that $AB = AC = 5$ cm and $BC = 6$ cm. The radius of the circle is:
Option 1: 3.015 cm
Option 2: 3.205 cm
Option 3: 3.025 cm
Option 4: 3.125 cm
Correct Answer: 3.125 cm
Solution :
The circumradius $(R)$ of a triangle, $ R = \frac{abc}{4K} $ where $a, b$ and $c$ are the sides of the triangle and $K$ is the area of the triangle. Given that $AB = AC = 5$ cm ($a = b = 5$ cm)
Question : Which company manufactures the A-380 aircraft ?
Option 1: Air Bus industries
Option 2: Lockheed Martin
Option 3: Raytheon
Option 4: Macdonald Douglas
Correct Answer: Air Bus industries
Solution : The correct option is - Air Bus industries.
Large wide-body airliner developed and built by Airbus is called the A380.
It is the only full-length double-deck jet airliner in the world and the biggest passenger aircraft. On January 18, 2005, the first prototype
Question : Which one of the following is igneous rock ?
Option 1: limestone
Option 2: granite
Option 3: marble
Option 4: slate
Correct Answer: granite
Solution : The correct answer is granite.
Based on its formation, rocks are classified into three types- Sedimentary, Igneous and Metamorphic rocks. Sedimentary rocks are formed by deposition of various layer over a long period of time, igneous rocks are of volcanic origin and metamorphic rocks are
Question : A sum of INR 1,50,000 is distributed among three persons - A, B, and C - so that they receive 20%, 30% and 50%, respectively. A receives the same amount from another sum of money which is distributed among them so that they receive 50%, 30%, and 20%, respectively. Find the total amount received from both sums of money, by B.
Option 1: INR 58,000
Option 2: INR 60,000
Option 3: INR 55,000
Option 4: INR 63,000
Correct Answer: INR 63,000
Solution : Given: A sum of INR 1,50,000 is distributed among three persons - A, B, and C - so that they receive 20%, 30%, and 50%, respectively. A receive the amount = $\frac{20}{100}\times 150000=$ INR 30,000. B receive the amount = $\frac{30}{100}\times 150000=$ INR 45,000.
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.
Academic life has (1) _________ demanding for students as a result of different internal and external expectations. Teenagers are especially (2)__________ to academic stress because they go through so many personal and social changes. As a result, designing effective and efficient (3) _________ solutions requires a thorough understanding of the causes and consequences of academic stress. Exams are one of the (4)_________ aspects of anyone's life. Exams are stressful for everyone, whether they are students or adults because everyone wants to perform well and no one wants to fail as to avoid (5) ________ in the future.
Question:
Select the most appropriate option to fill in the blank number 4.
Option 1: more important
Option 2: most eager
Option 3: most crucial
Option 4: more urgent
Correct Answer: most crucial
Solution : The correct choice is the third option.
"Most" is the superlative form of the adjective "important" indicating the highest degree or level of importance.
And "one of" is a phrase used to indicate that exams belong to a group of important aspects. This
Question : Directions: Four letter clusters have been given, out of which three are alike in some manner and one is different. Select a different one.
Option 1: EIJN
Option 2: DHIM
Option 3: BDFH
Option 4: CGHL
Correct Answer: BDFH
Solution : Let's check the options – First option: EIJN; E + 4 = I; I + 1 = J; J + 4 = N Second option: DHIM; D + 4 = H; H + 1 = I; I + 4 = M Third option: BDFH; B
Question : Which of the following numbers is divisible by 99?
Option 1: 31548
Option 2: 60687
Option 3: 44775
Option 4: 84456
Correct Answer: 60687
Solution : If a number is divisible by 99, then it must be divisible by 11 and 9, because 99 = 11 × 9 To check the divisibility by 11 we have to check the difference of the sum of odd place digits and the sum of
Question : If $(2+\sqrt{3})a=(2-\sqrt{3})b=1$, then the value of $\frac{1}{a}+\frac{1}{b}$ is:
Option 1: $1$
Option 2: $2$
Option 3: $2\sqrt{3}$
Option 4: $4$
Correct Answer: $4$
Solution : $(2+\sqrt{3})a=(2-\sqrt{3})b=1$ $(2+\sqrt{3})a=1$ $⇒ a = \frac{1}{2+\sqrt{3}}$ $⇒ \frac{1}{a} = 2-\sqrt{3}$ Again, $(2-\sqrt{3})b=1$ $⇒ b = \frac{1}{2-\sqrt{3}}$ $⇒ \frac{1}{b} = 2+\sqrt{3}$ $\frac{1}{a} + \frac{1}{b}=2-\sqrt{3}+2+\sqrt{3}$ $\frac{1}{a} + \frac{1}{b}=4$ Hence, the correct answer is $4$.
Exercise is the (1)_______ of muscles and limbs which is done to (2)_____ a specific outcome. The chief aim of doing exercise is usually (3)_____ fitness. At the end of our (4)____ day, we prefer to (5)____ in leisure activities rather than a workout.
Select the most appropriate option to fill in the blank no. 2.
Option 1: yield
Option 2: attain
Option 3: establish
Option 4: procure
Correct Answer: attain
Solution : The correct choice is the second option.
In this context, attain means to achieve or reach a specific goal or outcome through exercise. When someone exercises, they engage in physical activity with the intention of obtaining or achieving certain results, such as improving fitness,
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