Staff Selection Commission Combined Graduate Level Exam
Question : Direction: A boy starts from home in the early morning and walks straight for 8 km, facing the sun. Then he takes a right turn and walks for 3 kilometers. Then he turns right again and walks for 2 km, and then turns left and walks for 1 km. then he turns right and travels for 1 km and then turns right and travels for 4 km straight. How far is he from the starting point?
Option 1: 4 km
Option 2: 5 km
Option 3: 6 km
Option 4: 2 km
Correct Answer: 5 km
Solution : As per the given information, the movement of a boy will look as follows -
In the Given Figure, A is the starting point and H is the finishing point. So, AH is the distance from the starting point.
Here, AB = 8 km,
Question : Below are a few statements given about afforestation.
A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Which of the above statements is/are correct?
Option 1: Both A and B are incorrect
Option 2: Only B
Option 3: Both A and B
Option 4: Only A
Correct Answer: Both A and B
Solution : The correct answer is Both A and B.
There are two ways that an increase in forest cover can mitigate floods. It aids in lessening both soil erosion and unexpected flooding. Water trickles down the roots of trees, slowing it down
Question : Directions: Rahul attended a competition, wherein his mother's paternal grandfather's only son's only granddaughter was fighting against the clock. How is the person in the competition related to Rahul?
Option 1: Sister
Option 2: Maternal grandmother
Option 3: Mother
Option 4: Daughter
Correct Answer: Sister
Solution : As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
So, from the above family tree, that person is the sister of Rahul. Hence, the first
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
The students met the college authority whom allowed them to sit for the exams.
(1) who allowed them to sit at the exams
(2) which allowed them to sit in exams
(3) which allowed them to sit for the exams
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct answer is the third option, "which allowed them to sit for the exams".
It maintains the intended meaning that the college authority, i.e., the officials forming an organisation having power and control, permitted the students to take the exams and would be
Question : Identify the correct statement about Newlands' law of octaves.
Option 1: He started with the element having the highest atomic mass (hydrogen) and ended with thorium which was the 56th element
Option 2: He started with the element having the lowest atomic mass (hydrogen) and ended with sodium
Option 3: He started with the element having the lowest atomic mass (hydrogen) and ended with aluminium
Option 4: He started with the element having the lowest atomic mass (hydrogen) and ended with thorium which was the 56th element
Correct Answer: He started with the element having the lowest atomic mass (hydrogen) and ended with thorium which was the 56th element
Solution : The correct option is He started with the element having the lowest atomic mass (hydrogen) and ended with thorium, which was the 56th element.
Newlands' law
Question : Directions: In the following question, find the odd letter cluster from the given alternatives.
Option 1: EHJ
Option 2: JML
Option 3: PSR
Option 4: VYX
Correct Answer: EHJ
Solution : Let's check the options – First option: EHJ; E + 3 = H; H + 2 = J Second option: JML; J + 3 = M; M – 1 = L Third option: PSR; P + 3 = S; S – 1 = R Fourth
Question : The term of the office of the member of the UPSC is
Option 1: 3 years , or till they attain 58 years of age
Option 2: 5 years , or till they attain 60 years of age
Option 3: 6 years , or till they attain 65 years of age
Option 4: 6 years
Correct Answer: 6 years , or till they attain 65 years of age
Solution : The correct option is 6 years , or till they attain 65 years of age .
The term of office for a member of the Union Public Service Commission (UPSC) in India is six years
Question : The SI unit of electric charge is a ______.
Option 1: Coulomb
Option 2: watt
Option 3: newton
Option 4: joule
Correct Answer: Coulomb
Solution : The correct option is Coulomb.
One coulomb is defined as the amount of electric charge transported by a constant current of one ampere in one second. In other words, 1 C = 1 A·s (ampere-second).
C= Coloumb
A= Ampere has a fixed numerical value.
s=
Question : Which organ has finger-like outgrowths which are called Villi (Singular Villus)?
Option 1: Large Intestine
Option 2: Bladder
Option 3: Small Intestine
Option 4: Stomach
Correct Answer: Small Intestine
Solution : The correct option is the Small intestine.
Villi are tiny, finger-like extensions that line the small intestine's walls. They are composed of specialised cells and are surrounded by even smaller projections known as microvilli. The surface area of the intestinal lining is considerably
Question : If $\theta$ is positive acute angle and $7\cos^{2}\theta+3\sin^{2}\theta =4$, then the value of $\theta$ is:
Option 1: $60^{\circ}$
Option 2: $30^{\circ}$
Option 3: $45^{\circ}$
Option 4: $90^{\circ}$
Correct Answer: $60^{\circ}$
Solution : $7\cos^{2}\theta +3\sin^{2}\theta = 4$ $⇒7\cos^{2}\theta +3(1-\cos^{2}\theta) = 4$ ........[we know that $\sin^{2}\theta + \cos^{2}\theta=1$] $⇒4\cos^{2}\theta +3 = 4$ $⇒\cos^{2}\theta = \frac{1}{4}$ $⇒\cos^{2}\theta - \frac{1}{4}$ = 0 $⇒(\cos\theta + \frac{1}{2})(\cos\theta - \frac{1}{2})$ = 0 $⇒\cos\theta =\frac{1}{2}\ \text{or,} -\frac{1}{2}$ $⇒\cos\theta =\cos 60^{\circ}\ \text{or,}\cos 120^{\circ}$ Since $\theta$ is
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