Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. R, O, L, I, F, ?
Option 1: C
Option 2: A
Option 3: E
Option 4: I
Correct Answer: C
Solution : Given: R, O, L, I, F, ?
Subtract 3 from the place value of the previous letter to obtain the next letter of the series – R – 3 = O; O – 3 = L; L – 3 = I; I – 3 =
Question : If the curved surface area of a cylinder is 1386 sq cm and the height is 21 cm, what will be its radius? (Take $\pi=\frac{22}{7}$)
Option 1: 21 cm
Option 2: 5.25 cm
Option 3: 10.5 cm
Option 4: 15.75 cm
Correct Answer: 10.5 cm
Solution : Given: Curved surface area of a cylinder = 1386 sq cm Height = 21 cm Curved surface area of cylinder = $2\pi rh$ ⇒ $2\pi rh = 1386$ ⇒ $2×\frac{22}{7}×r×21=1386$ ⇒ $r=\frac{1386×7}{2×22×21}$ = 10.5 cm Hence, the correct answer is 10.5 cm.
Question : Directive Principles of State Policy in the Indian Constitution were taken from the Constitution of
Option 1: Britain
Option 2: Ireland
Option 3: USA
Option 4: Canada
Correct Answer: Ireland
Solution : The correct option is Ireland.
Ireland's Constitution inspired the Directive Principles of State Policy in the Indian Constitution. These principles serve as guidance for the government in developing policies and enacting legislation to guarantee social, economic and political justice for Indian residents. While not
Question : Identify the correct match. A) Pension to retired government employees - Revenue Receipt B) Purchase of Machinery in Railways - Capital Expenditure
Option 1: Both A and B
Option 2: Only A
Option 3: Neither A nor B
Option 4: Only B
Correct Answer: Only B
Solution : The correct answer is Only B.
The term "capital expenditure" describes the money to buy, maintain, or enhance long-term assets to increase productivity or earnings potential. Purchasing new or used machinery is a benefit for the business. Therefore, the cost of the machinery
Question : The graph shows the marks obtained by the four students in mathematics and English in four Unit Tests. The difference between the average marks obtained for all unit tests in both subjects is:
Option 1: 7.25
Option 2: 7.50
Option 3: 7.40
Option 4: 7.75
Correct Answer: 7.50
Solution : Average marks obtained in Maths $= \frac{35+25+50+50}{4}=\frac{160}{4}=40$ Average marks obtained in English $=\frac{40+50+45+55}{4}=\frac{190}{4}=47.5$ $\therefore$ Difference = 47.5 – 40 = 7.50 Hence, the correct answer is 7.50.
Question : What is the minimum lane width in swimming in metres?
Option 1: 2.4
Option 2: 2.11
Option 3: 2.12
Option 4: 2.5
Correct Answer: 2.5
Solution : The correct option is 2.5.
There is no minimum number of lanes required for general competitions. The width requirements for the outside lanes are 2.4 metres, while the central lanes are 2.5 metres. An additional 0.1 metre of outside space must be kept in the
Question : The Nobel Prize was instituted by the country
Option 1: USA
Option 2: UK
Option 3: Russia
Option 4: Sweden
Correct Answer: Sweden
Solution : The correct answer is Sweden.
Nobel Prizes were instituted under the will of Sir Alfred Nobel, the inventor of dynamite. The Nobel Prize in Physics and Chemistry are awarded by the Royal Swedish Academy of Sciences. Karolinska Institute has been nominated for the Nobel Prize
Question : A copper wire is bent in the form of a square and it encloses an area of 30.25 cm2. If the same wire is bent to form a circle, then find the area of the circle. [Use $\pi=\frac{22}{7}$]
Option 1: 38.50 cm2
Option 2: 42.25 cm2
Option 3: 35 cm2
Option 4: 30.25 cm2
Correct Answer: 38.50 cm2
Solution : Given, the area of the square formed by copper wire = 30.25 cm2 Area of square = s2 where s is the side of the square. ⇒ 30.25 = s2 ⇒ s = 5.5 cm Now, total length of wire
Question : Choose the word that can substitute the given group of words. Lion like characteristics
Option 1: Leonine
Option 2: Feline
Option 3: Porcine
Option 4: Lionize
Correct Answer: Leonine
Solution : The correct choice is the first option.
Leonine means relating to, suggestive of, or resembling a lion. As per the sentence, this word refers to a lion-like structure, making it the perfect one-word substitute.
The meanings of the other words are:
Question : Janardan completes $\frac{2}{3}$rd of his work in 10 days. The time he will take to complete $\frac{3}{5}$th of the same work is:
Option 1: 8 days
Option 2: 6 days
Option 3: 9 days
Option 4: 4 days
Correct Answer: 9 days
Solution : Given: Janardan completes $\frac{2}{3}$rd of his work in 10 days. We know, $\frac{D_1}{W_1}=\frac{D_2}{W_2}$ Here, $W_1$ = $W_2$ = Part of the work and $D_1$ = $D_2$ = Number of days Applying the above formula, $\frac{10}{\frac{2}{3}}=\frac{D_2}{\frac{3}{5}}$ $\therefore D_2=\frac{10×3×3}{2×5}$ = 9 days Hence, the correct answer
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