Staff Selection Commission Combined Graduate Level Exam
Question : Select the sentence that contains no spelling errors.
Option 1: The childrens playing in the kindergarden allmost broke the window of the principal’s car.
Option 2: The children playing in the kindergarten almost broke the window of the principal’s car.
Option 3: The childrens playing in the kindergarten almost broke the window of the principal’s car.
Option 4: The children playing in the kindergarden allmost broke the window of the principle’s car.
Correct Answer: The children playing in the kindergarten almost broke the window of the principal’s car.
Solution : The correct choice is the second option.
Explanation: This sentence has correct spelling, grammar, and punctuation. It uses "children" and "kindergarten" correctly and has no spelling errors in the other words.
Question : A motorcycle gives an average of 45 km per litre. If the cost of petrol is Rs. 20 per litre, the amount required to complete a journey of 540 km is (in Rupees).
Option 1: 120
Option 2: 360
Option 3: 200
Option 4: 240
Correct Answer: 240
Solution : Given: A motorcycle gives an average of 45 km per litre. Petrol needed for a distance of 540 km $= \frac{540}{45} = 12$ litres Cost of petrol per litre = Rs. 20 $\therefore$ Cost of petrol for covering 540 km = 12 × 20 =
Question : In a shop, a discount of 5% is provided, and if the total payable amount after the discount is more than INR 2,000, then an additional discount of 10% is provided. Determine the final amount to be paid (in INR) by a customer, if he buys five products each of price INR 500.
Option 1: INR 2,500
Option 2: INR 2,225.50
Option 3: INR 2,375.50
Option 4: INR 2,137.50
Correct Answer: INR 2,137.50
Solution : The cost of one product is INR 500. The customer buys five products. ⇒ The total cost without any discount = 5 × 500 = INR 2500 Now, apply the first discount of 5% ⇒ Discounted amount= (100% – 5%) × 2500 = 0.95
Question : What type of isomerism exists in compounds containing two or more complexes, each of which contains a different set of ligands that can, in principle, be replaced with a ligand of the other complex?
Option 1: Coordination isomerism
Option 2: Solvate isomerism
Option 3: Linkage isomerism
Option 4: Ionisation isomerism
Correct Answer: Coordination isomerism
Solution : The correct option is Coordination isomerism.
Coordination compounds are molecules or ions that consist of metal ions as central atoms coordinated to ligands. Ligands are molecules or ions that donate electron pairs to the metal, forming coordinate bonds.
Question : The HCF and LCM of the two numbers are 21 and 84, respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is:
Option 1: 12
Option 2: 108
Option 3: 48
Option 4: 84
Correct Answer: 84
Solution : Given: The ratio of the two numbers is 1:4 and the Highest Common Factor (HCF) is 21. Here, the common factor is 21. Let the numbers be k and 4k k × 4k = 21 × 84 k2 = 21 × 21 ⇒ k
Question : How thick is the lithosphere?
Option 1: 25 to 45 kilometres
Option 2: 10 to 25 kilometres
Option 3: 10 to 200 kilometres
Option 4: 5 to 10 kilometres
Correct Answer: 10 to 200 kilometres
Solution : The correct answer is 10 to 200 kilometres.
The lithosphere is a rigid outermost shell, and its thickness varies globally. This layer of atmosphere includes the Earth's crust and a portion of the upper mantle. Its thickness typically ranges from about 10
Question : The pie chart given below shows the number of televisions sold by 8 different companies. The total number of televisions sold by all these 8 companies is 21000. The number of televisions sold by a particular company is shown as a percentage of the total number of televisions sold by all these 8 companies. $J_1$ = The value of the average number of televisions sold by P and W. $J_2$ = The value of the average number of televisions sold by Q, R, S, and V. What is the value of ($J_2-J_1$)?
Option 1: 5630
Option 2: 2046
Option 3: 1102.5
Option 4: 3260
Correct Answer: 1102.5
Solution : $J_1$ = $\frac{10+13}{2}$% of 21000 = 11.5% of 21000 = 2415 $J_2$ = average of Q, R, S, and V = $\frac{17+15+3+32}{4}$% of 21000 = 16.75% of 21000 = 3517.5 $J_2-J_1$ = 3517.5 – 2415 = 1102.5 Hence, the correct answer is 1102.5.
Question : Two identical circles each of radius 30 cm intersect each other such that the circumference of each one passes through the centre of the other. What is the area of the intersecting region?
Option 1: $400 \pi-250 \sqrt{3} \mathrm{~cm}^2$
Option 2: $300 \pi-150 \sqrt{3} \mathrm{~cm}^2$
Option 3: $500 \pi-350 \sqrt{3} \mathrm{~cm}^2$
Option 4: $600 \pi-450 \sqrt{3} \mathrm{~cm}^2$
Correct Answer: $600 \pi-450 \sqrt{3} \mathrm{~cm}^2$
Solution : OA = O’A = OB = OB’ = OO’ = 30 cm In triangle AOO’, OA = O’A = OO’ = 30 cm ( As all three sides of AOO' are equal, so it is an equilateral triangle) ⇒ $∠AOO’ = 60°$
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If – stands for division, + stands for multiplication, ÷ stands for subtraction, × stands for addition, which of the following equations is correct?
Option 1: 18 ÷ 3 × 2 + 8 – 6 = 10
Option 2: 18 – 3 + 2 × 8 ÷ 6 = 14
Option 3: 18 – 3 ÷ 2 × 8 + 6 = 17
Option 4: 18 × 3 + 2 ÷ 8 – 6 = 15
Correct Answer: 18 – 3 + 2 × 8 ÷ 6 = 14
Solution : Given: – stands for division, + stands for multiplication, ÷ stands for subtraction, × stands for addition.
Replace the mathematical signs in the equations and solve the equations one by one.
Let's check the given
Question : The innovation theory of profit was proposed by
Option 1: Marshall
Option 2: Clark
Option 3: Schumpeter
Option 4: Joan Robinson
Correct Answer: Schumpeter
Solution : The correct option is Schumpeter.
Joseph Schumpeter, an economist, proposed the innovation theory of profit. In his 1911 book "The Theory of Economic Development", Schumpeter outlined this idea. Entrepreneurs can make money by introducing innovations, which Schumpeter broadly defined as any novel combination of
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