Staff Selection Commission Combined Higher Secondary Level Exam
Question :
If a man were to sell his handcart for Rs. 720, he would incur a loss of 25%. Determine the price at which he must sell it to gain 25%.
Option 1: Rs. 1200
Option 2: Rs. 960
Option 3: Rs. 1152
Option 4: Rs. 768
Correct Answer: Rs. 1200
Solution : The selling price (SP) = Rs. 720 Loss % = 25% The cost price (CP) = $\frac{100}{100–\text{loss%}}$ × SP = $\frac{100}{75}×720$ = Rs. 960 For 25% profit, SP = $\frac{100+\text{Profit%}}{100}$ × CP = $\frac{100+25}{100}×960$ = Rs. 1200 Hence, the correct answer is Rs. 1200.
Question : Directions: A cube is made by folding the given sheet. In the cube so formed, which letter will be on the face opposite to the face showing B?
Option 1: F
Option 2: G
Option 3: C
Option 4: R
Correct Answer: F
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the opposite pairs of
Question : Sheela recalls using transistors as part of her computer. Which generation of computers used it?
Option 1: Third
Option 2: First
Option 3: Fourth
Option 4: Second
Correct Answer: Second
Solution : The correct option is Second.
The use of transistors in computers is associated with the Second Generation of computers. The Second Generation, which emerged in the late 1950s, and lasted through the 1960s, replaced vacuum tubes with transistors, resulting in smaller, faster, and more
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
The new railway counter at Dwarka should ____ all travellers.
Option 1: Benefit
Option 2: Reward
Option 3: Reserve
Option 4: Provide
Correct Answer: Benefit
Solution : The correct choice is the first option "benefit".
''Benefit" means to bring advantages or improvement, which fits perfectly in the sentence. This helps in conveying the intended meaning that the new railway counter should be advantageous to all travellers.
The meanings of the other options
Question : When a number is successively decreased by 25 percent, 40 percent and 20 percent, then it becomes 32,904. What is that number?
Option 1: 95,600
Option 2: 92,800
Option 3: 91,400
Option 4: 80,500
Correct Answer: 91,400
Solution : Let the number be $x$. According to the question, $\frac{(100 - 25)}{100} × \frac{(100 - 40)}{100} × \frac{(100 - 20)}{100} × x = 32904$ ⇒ $\frac{75}{100} × \frac{60}{100} × \frac{80}{100} × x = 32904$ ⇒ $\frac{3}{4} × \frac{3}{5} × \frac{4}{5} × x = 32904$ ⇒
Question : Directions: In the following question some statements are given followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows the given statements. Statements: I. Some C are D. II. All D is E. Conclusions: I. All C is E. II. All D is C. III. All E is D.
Option 1: Only conclusion I follows
Option 2: None of the conclusion follows
Option 3: Only conclusion II follows
Option 4: All conclusion follows
Correct Answer: None of the conclusion follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All C is E – From the Venn diagram, we can see that the two circles representing E and C intersect
Question : Which of the following species are critically endangered?
Option 1: Gangetic Dolphin
Option 2: Forest Owlet
Option 3: White-bellied heron
Option 4: Gyps Vulture
Correct Answer: Forest Owlet
Solution : The correct answer is Forest Owlet.
The woodlands of Central India are home to the Forest Owlet. Given that there are believed to be less than 1,000 mature birds in the population, it has been categorized as Endangered on the IUCN Red List as
Question : The sides of a rhombus are 10 cm each and the diagonal measures 16 cm. The area of the rhombus is:
Option 1: 96 sq. cm
Option 2: 160 sq. cm
Option 3: 100 sq. cm
Option 4: 40 sq. cm
Correct Answer: 96 sq. cm
Solution : Area of rhombus ABCD = 2 × area of $\triangle$ABD $\therefore$ Semi perimeter of $\triangle$ABD = $\frac{10+10+16}{2}$ = 18 cm Now, the area of $\triangle$ABD = $\sqrt{18(18-10)(18-10)(18-16)}$ = $\sqrt{18×8×8×2}$ = $\sqrt{2304}$ = $48$ sq. cm So, the area of rhombus ABCD = 2
Question : Directions: Identify the figure given in the options which when put in place of the question mark (?) will logically complete the series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. A figure is divided into four triangles, so the leftmost triangle doesn't contain any figure. 2. All the figures present in the triangles rotate in the clockwise direction. 3. In each step, the figure that comes in the rightmost
Question : The table shows the annual income of 5 schools (in lakhs rupees).
Which school has the highest percentage of income from donations out of its total income?
Option 1: Q
Option 2: P
Option 3: S
Correct Answer: S
Solution : Total income of school P = 140 + 280 + 110 + 102 + 160 = 792 Percentage of income coming from donations = $\frac{140}{792} \times 100$ = 17.67% Total income of school Q = 250 + 310 + 110 + 104 + 180 =
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