Staff Selection Commission Combined Graduate Level Exam
Question : Acid changes the colour of blue litmus to ______.
Option 1: yellow
Option 2: red
Option 3: pink
Option 4: orange
Correct Answer: red
Solution : The correct answer is red.
An acid changes the colour of blue litmus paper to red. Blue litmus paper is used as an indicator to test for the presence of acids. When an acidic substance comes into contact with blue litmus paper, it turns
Question : Who led the Bardoli Satyagraha movement?
Option 1: Mahatma Gandhi
Option 2: Rabindranath Tagore
Option 3: Sardar Vallabhbhai Patel
Option 4: Chittaranjan Das
Correct Answer: Sardar Vallabhbhai Patel
Solution : The correct option is Sardar Vallabhbhai Patel.
The Bardoli Satyagraha was a nationalist movement and farmers' protest against the colonial government's imposition of higher taxes on farmers. Led by Sardar Vallabhbhai Patel, the agitation commenced on June 12, 1928, and persisted for
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
The airline was unable to give us a reason for the ___ departure delay.
Option 1: indivisible
Option 2: invincible
Option 3: invisible
Option 4: inexplicable
Correct Answer: inexplicable
Solution : The fourth option is the correct answer for the sentence because ''inexplicable'' means 'unnecessary' and makes the explanation of the sentence as 'the airline was unable to explain the unnecessary departure delay'.
The word ''indivisible'' in the first option means something that cannot be
Question :
Directions: In the following question, select the related word from the given alternatives. Apes : Gibber :: Camels : ?
Option 1: Grunt
Option 2: Cheep
Option 3: Bleat
Option 4: Whine
Correct Answer: Grunt
Solution : Given: Apes : Gibber :: Camels : ?
Apes produce a sound called gibber. Similarly, camels produce a sound called grunt.
Hence, the first option is correct.
Question : The curved surface area of the sphere is 154 cm2. Find the volume of the sphere (rounded off to one digit after decimal).
Option 1: 156.9 cm3
Option 2: 179.7 cm3
Option 3: 161.1 cm3
Option 4: 147.8 cm3
Correct Answer: 179.7 cm3
Solution : Given, the curved surface area of the sphere is 154 cm2 Let the radius of the sphere be $r$. $4πr^2 = 154$ ⇒ $4 × \frac{22}{7} × r^2 = 154$ ⇒ $r^2 = \frac{49}{4}$ ⇒ $r = \frac{7}{2}$ So, the volume of
Question : The upper portion of the mantle is called ____.
Option 1: lithosphere
Option 2: stratosphere
Option 3: mesosphere
Option 4: asthenosphere
Correct Answer: asthenosphere
Solution : The correct option is asthenosphere.
The upper portion of the mantle is called the "asthenosphere." The asthenosphere is a semi-fluid layer located beneath the rigid lithosphere. It consists of partially molten rock that allows for the movement of tectonic plates.
The earth's crust is
Question : Which one among the following components is used as an. amplifying device?
Option 1: Transformer
Option 2: Diode
Option 3: Capacitor
Option 4: Transistor
Correct Answer: Transistor
Solution : The correct option is Transistor
Transistors serve as amplification components in electronic systems. These semiconductor devices are capable of enhancing electronic signals by augmenting their strength or amplitude without causing substantial distortion to the initial waveform. Transistors find widespread use in a variety of electronic
Question : Which of the following amendment acts included Fundamental Duties in the Constitution of India?
Option 1: 40th Amendment Act
Option 2: 42nd Amendment Act
Option 3: 41st Amendment Act
Option 4: 39th Amendment Act
Correct Answer: 42nd Amendment Act
Solution : The correct option is the 42nd Amendment Act.
The 42nd Amendment Act of 1976 adds ten fundamental duties to the Indian Constitution. The 86th Amendment Act of 2002 later added the 11th Fundamental Duty to the list. The Fundamental Duties are covered under
Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 5 : 140 :: 8 : 536 :: 6 : ?
Option 1: 243
Option 2: 233
Option 3: 234
Option 4: 244
Correct Answer: 234
Solution : Given: 5 : 140 :: 8 : 536 :: 6 : ?
Like, (5)2 + 3 = 25 + 3 = 28; 28 × 5 = 140 (8)2 + 3 = 64 + 3 = 67; 67 × 8 = 536 Similarly, (6)
Question : From the top of an upright pole 17.75 m high, the angle of elevation of the top of an upright tower was 60°. If the tower was 57.75 m tall, how far away (in m) from the foot of the pole was the foot of the tower?
Option 1: $40 \sqrt{3}$
Option 2: $\frac{151 \sqrt{3}}{6}$
Option 3: $\frac{77}{4} \sqrt{3}$
Option 4: $\frac{40 \sqrt{3}}{3}$
Correct Answer: $\frac{40 \sqrt{3}}{3}$
Solution : We have to find the value of $x$. In $\triangle ABC,$ $\tan60° = \frac{AC}{BC}$ We know, $CE=BD$ ⇒ $AC=AE-CE$ ⇒ $AC=57.75-17.75$ ⇒ $AC=40$ In $\triangle ABC,$ $\tan60° = \frac{40}{x}$ ⇒ $\sqrt3=\frac{40}{x}$ ⇒ $x=\frac{40}{\sqrt3}$ ⇒ $x=\frac{40\sqrt3}{3}$ m Hence, the correct answer is $\frac{40\sqrt3}{3}$.
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