Staff Selection Commission Combined Higher Secondary Level Exam
Question : If $\sec x+\cos x=\frac{5}{2}$, where $x$ lies between $0^{\circ}$ and $90^{\circ}$, then what is the value of $\sin ^2 x$ ?
Option 1: $\frac{3}{4}$
Option 2: $\frac{1}{2}$
Option 3: $1$
Option 4: $\frac{1}{4}$
Correct Answer: $\frac{3}{4}$
Solution : Given: $\sec x + \cos x = \frac{5}{2}$ Now, $\cos\theta = \frac{1}{\sec\theta}$ ⇒ $\frac{1}{\cos x} + \cos x = \frac{5}{2}$ The above equation satisfies for $x = 60^\circ$ Thus, $\sin^2x = \sin^2 60^\circ= (\frac{\sqrt3}{2})^2$ $\therefore \sin^2x = \frac{3}{4}$ Hence, the correct answer is $\frac{3}{4}$.
Question : What are the last three digits of the multiplication 654321 × 123456?
Option 1: 376
Option 2: 344
Option 3: 324
Option 4: 352
Correct Answer: 376
Solution : To find the last three digits of a product, we can ignore the first two digits and multiply the remaining digits. Ignoring the first two digits of 654321 and 123456, we have 321 × 456. Multiplying these digits, we get 146376. Hence, the correct answer
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
You can play video games and paint or (draw) from anywhere.
(1) be drawing
(2) can draw
(3) could draw
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option, No improvement.
The verb form used is correct in the sentence and conveys the intended meaning.
Question : Choose the word that means the same as the given word. Shapeless
Option 1: Amorphous
Option 2: Amortization
Option 3: Amoral
Option 4: Amorous
Correct Answer: Amorphous
Solution : The correct choice is the first option.
Shapeless means not having a clear shape. Amorphous is an appropriate synonym, as it denotes having no fixed form or shape.
The meaning of the other options is:
Question : Directions: In a certain code language, Z + B means Z is the mother of B, Z – B means Z is the brother of B, Z @ B means Z is the sister of B, Z # B means Z is the father of B. If D – E # F – G, then how is D related to G?
Option 1: Father's father
Option 2: Father's brother
Option 3: Son
Option 4: Brother
Correct Answer: Father's brother
Solution : Given: D – E means D is the brother of E, F – G means F is the brother of G, E # F means E is the father of F.
As per the given information, the family tree will be as follows –
Question : Ganga Dussehra every year on the ______ day of Shukla Paksha of Jyeshtha month.
Option 1: 6th
Option 2: 8th
Option 3: 10th
Option 4: 12th
Correct Answer: 10th
Solution : The correct answer is 10th.
Ganga Dussehra happens every year on the 10th day (Dashami) of the Shukla Paksha (waxing phase of the moon) of the Jyeshtha month in the Hindu calendar. This festival is dedicated to the worship of the Ganges River and
Question : Directions: Select the option figure in which the given figure is embedded. (rotation is NOT allowed)
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the first option figure.
Hence, the first option is correct.
Question : Anam and Bikash invest in a business in the ratio 3 : 2. If in a particular month, Anam gets INR 3,840 as profit, the total profit is:
Option 1: INR 5,800
Option 2: INR 6,300
Option 3: INR 6,550
Option 4: INR 6,400
Correct Answer: INR 6,400
Solution : Investment Ratio = $3:2$ The profit ratio will also be the same. $\therefore$ Profit ratio of Anam and Bikash = $3:2$ Profit Anam got = INR 3,840 ⇒ Profit got by Bikash = $3840 \times \frac{2}{3}=2560$ $\therefore$ Total profit = INR 3,840 + INR
Question : Directions: In the given question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
The flood damaged the books so much that it was impossible to __________them.
Option 1: retrieve
Option 2: retrace
Option 3: retract
Option 4: retreat
Correct Answer: retrieve
Solution : The first option is the correct choice.
Retrieve means to get or bring something back from somewhere, as per the context of the question.
The meanings of the other options are as follows:
Question : Which one of the following states has the longest coastline?
Option 1: Maharashtra
Option 2: Tamil Nadu
Option 3: Gujarat
Option 4: Andhra Pradesh
Correct Answer: Gujarat
Solution : The correct option is Gujarat.
Gujarat features the longest coastline of any Indian state, extending approximately 1,600 kilometres along the country's western coast, with the Arabian Sea to its west. In comparison, Andhra Pradesh spans about 974 kilometres of coastline, Maharashtra has approximately 720 kilometres,
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