Staff Selection Commission Combined Graduate Level Exam
Question : Select the correct indirect form of the given sentence. The supervisor said to the worker, "How long have you been working for this company?"
Option 1: The supervisor asked the worker for how long had he been working for this company.
Option 2: The supervisor asked the worker how long had he being working for that company.
Option 3: The supervisor asked the worker that how long you had been working for that company.
Option 4: The supervisor asked the worker how long he had been working for that company.
Correct Answer: The supervisor asked the worker how long he had been working for that company.
Solution : The fourth option is the correct choice.
The given sentence is in direct speech. As per the given question, we have to change it into indirect speech. The process of transformation is
Question : If $\sin ^2 \theta-3 \sin \theta+2=0$, then find the value of $\theta\left(0^{\circ} \leq \theta \leq 90^{\circ}\right)$.
Option 1: 45°
Option 2: 0°
Option 3: 60°
Option 4: 90°
Correct Answer: 90°
Solution : Given, $\sin ^2 \theta-3 \sin \theta+2=0$ ⇒ $(\sin \theta - 1)(\sin \theta- 2)=0$ ⇒ $\sin\theta=1$ or $\sin\theta=2$ Since $\left(0^{\circ} \leq \theta \leq 90^{\circ}\right)$, ⇒ $\sin \theta=1$ ⇒ $\theta = 90^{\circ}$ Hence, the correct answer is $90^{\circ}$.
Question : What kind of forces arise from transient dipoles in atoms that induce transient dipoles in nearby atoms, produce an attractive force and are significant only over short distances (~500 pm)?
Option 1: Dipole-dipole forces
Option 2: London dispersion forces
Option 3: Dipole-induced dipole forces
Option 4: Hydrogen bond
Correct Answer: London dispersion forces
Solution : The correct option is London dispersion forces.
London dispersion forces result from temporary fluctuations in electron distribution around atoms, creating transient dipoles. The induced dipoles in neighbouring atoms lead to attractive forces, but these forces are significant only over short distances. They play
Question : On which side did Japan fight in the First World War ?
Option 1: none, it wag neutral
Option 2: with Germany against United Kingdom
Option 3: against Russia on its own
Option 4: with United Kingdom against Germany
Correct Answer: with United Kingdom against Germany
Solution : The correct option is with United Kingdom against Germany.
During the First World War, Japan fought alongside the United Kingdom and other Allies against Germany. Their involvement in the conflict was primarily aimed at seizing areas in East Asia and the
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.) (3, 14, 1) (4, 36, 2)
Option 1: (8, 12, 2)
Option 2: (5, 81, 4)
Option 3: (7, 40, 3)
Option 4: (8, 260, 2)
Correct Answer: (8, 260, 2)
Solution : Given: (3, 14, 1); (4, 36, 2)
⇒ (3, 14, 1)→{(3)3 + (1)3} ÷ 2 = {27 + 1} ÷ 2 = 28 ÷ 2 = 14 ⇒ (4, 36, 2)→{(4)3 + (2)3} ÷ 2 = {64
Question : If the areas of two similar triangles are in the ratio 196 : 625, what would be the ratio of the corresponding sides?
Option 1: 14 : 25
Option 2: 13 : 20
Option 3: 14 : 20
Option 4: 13 : 25
Correct Answer: 14 : 25
Solution : Given: The areas of two similar triangles are in the ratio 196 : 625. We know, The ratio of the corresponding sides of the two similar triangles = The ratio of the square root of their area So, the ratio of the corresponding
Question : If the inner radius of a hemispherical bowl is 5 cm and its thickness is 0.25 cm, find the volume of the material required to make the bowl. (Use $\pi = \frac{22}{7}$) (Rounded up to two decimal places).
Option 1: 34 cm3
Option 2: 44 cm3
Option 3: 45.34 cm3
Option 4: 41.28 cm3
Correct Answer: 41.28 cm3
Solution : Volume of the hemispherical bowl = $\frac{2}{3} × \pi × (R^{3} - r^{3})$ Where, $r$ is the inner radius of the bowl = 5 cm And, $R$ is the outer radius of the bowl = (5 + 0.25) = 5.25 cm So, the
Question : To open a door easily, the handle should be fixed
Option 1: near the hinges
Option 2: away from mid-point opposite to hinges
Option 3: in the middle
Option 4: none of the above
Correct Answer: none of the above
Solution : The correct answer is none of the above.
In physics, Torque is the amount of force which causes a body to rotate on its axis. It is calculated by multiplying the amount of force applied with the distance from the axis of
Question : In which year did AEB de Chancourtois organise the elements by atomic weight by graphing the elements around a cylinder with a circumference of 16 units, corresponding to the weight of oxygen (O)?
Option 1: 1862
Option 2: 1860
Option 3: 1870
Option 4: 1868
Correct Answer: 1862
Solution : The correct option is 1862.
A.E.B. de Chancourtois attempted to organise the elements by atomic weight using a cylindrical representation, and he called this arrangement the Telluric Helix. He proposed this system in 1862. In the Telluric Helix, elements were arranged around a cylinder
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. I fell / asleep while / I read / the book.
Option 1: the book
Option 2: I read
Option 3: asleep while
Option 4: I fell
Correct Answer: I read
Solution : The correct answer is the third option.
While is used to indicate a simultaneous or continuous action, so in this context, the person fell asleep while reading the book.
Therefore, the correct sentence is: "I fell asleep while I was reading the book."
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