Staff Selection Commission Sub Inspector Exam
Question : Which of the following cities is farthest from the southernmost tip of the mainland of India?
Option 1: Kodaikanal
Option 2: Nanded
Option 3: Warangal
Option 4: Bengaluru
Correct Answer: Nanded
Solution : The correct option is Nanded
Nanded, located in the state of Maharashtra, is positioned more centrally within India. Concerning the southernmost tip of the mainland, Kanyakumari, Nanded is situated to the north, making it geographically farther from the southern extremity of the Indian mainland.
Question : Directions: Select the correct combination of mathematical signs to replace * signs and to balance the following equation. (9 * 8 * 7) * 13 * 5
Option 1: ×, =, ÷, −
Option 2: ×, −, ÷, =
Option 3: ÷, −, =, ×
Option 4: −, ÷, ×, =
Correct Answer: ×, −, ÷, =
Solution : Given: (9 * 8 * 7) * 13 * 5
Let's check the options – First option: ×, =, ÷, − 9 × 8 = 7 ÷ 13 – 5 9 × 8 = 7 ÷ 13 – 5 72 = 0.53
Question : The radius and height of a right circular cone are in the ratio 1 : 2.4. If its curved surface area is 2502.5 cm2, then what is its volume? (Take $\pi=\frac{22}{7}$)
Option 1: 8085 cm3
Option 2: 8820 cm3
Option 3: 11550 cm3
Option 4: 13475 cm3
Correct Answer: 13475 cm3
Solution : The ratio of the radius and height of a right circular cone = 1 : 2.4 = 10 : 24 = 5 : 12 Let radius, $r = 5x$, height, $h=12x$ and slant height be $l$. $l^2 = r^2 + h^2 = (5x)^2
Question : Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate?
Option 1: Friedrich Wöhler
Option 2: Kolbe
Option 3: Berthelot
Option 4: Berzelius
Correct Answer: Friedrich Wöhler
Solution : The correct answer is Friedrich Wöhler.
Friedrich Wöhler, a German chemist, prepared urea in the laboratory in 1828. It was the first organic compound to be prepared in the laboratory. It was synthesised from an inorganic compound, ammonium cyanate.
Question : Directions: Select the figure that will replace the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Follow the pattern to obtain the missing figure in the given series –
Hence, the third option is correct.
Question : Directions: In a certain code, A is represented by 1, B by 2, C by 3, and so on, then all multiples of 2 are assigned a code of 2, and non-multiples of 2 are assigned a code of 1. In this scheme of coding, how will the word WINDOW would be coded as?
Option 1: 112112
Option 2: 112211
Option 3: 121121
Option 4: 112221
Correct Answer: 112211
Solution : Given: WINDOW
Multiples of 2→B, D, F, H, J, L, N, P, R, T, V, X, Z→Code is 2 Non-multiples of 2→A, C, E, G, I, K, M, O, Q, S, U, W, Y→Code is 1
The code for WINDOW is as follows –
So,
Question : "Agriculture should serve as an instrument of income, livelihood, and opportunity for the local community".This statement was made by -
Option 1: Madhavan Nair
Option 2: Manmohan Singh
Option 3: Abdul Kalam
Option 4: M.S. Swaminathan
Correct Answer: M.S. Swaminathan
Solution : The correct option is M. S. Swaminathan.
According to M. S. Swaminathan, agriculture should be used to produce food while also acting as a source of income and subsistence. They contend that rural value-added businesses and collaborations with the private sector should be
Question : Directions: Select the word pair that best represents a similar relationship to the one expressed in the pair of words given below. (The words must be considered meaningful English words and must NOT be related to each other based on the number of letters/number of consonants/vowels in the word.) Riyal : Saudi Arabia
Option 1: Lira : Armenia
Option 2: Peso : Germany
Option 3: Lira : Turkey
Option 4: Mexico : Peso
Correct Answer: Lira : Turkey
Solution : Given: Riyal : Saudi Arabia (The currency of Saudi Arabia is Riyal.)
Let's check the given options – First option: Lira : Armenia; The currency of Armenia is Dram. Second option: Peso : Germany; The currency of Germany is the Euro. Third option:
Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes. Pencils, Erasers, Sharpeners
Solution : Pencils, Erasers, and Sharpeners all are different types of stationary objects that are not related to each other.
Therefore, the Venn diagram will be as follows –
Hence, the second option is correct.
Question : Peter invested a certain sum of money in a scheme paying 10% simple interest per annum, while Rachel invested half of the sum that Peter invested in a scheme paying 10% interest per annum compounded annually. Also, while Peter invested for 2 years, Rachel invested for 3 years. If the difference in the interest earned by Peter and Rachel was INR 897, what was the sum that Rachel had invested?
Option 1: INR 13,000
Option 2: INR 12,900
Option 3: INR 13,100
Option 4: INR 12,960
Correct Answer: INR 13,000
Solution : Let investment of Peter = INR 100 at 10% simple interest (SI) So investment of Rachel = INR 50 at 10% compound interest (CI) The simple interest of Peter for 2 years at 10% = $\frac{10×2}{100}\times 100$ = INR 20 Compound interest = $\text{P}(1+\frac{\text{R}}{100})^t
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