Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, find the odd sequence of numbers from the given alternatives.
Option 1: 1, 2, 4, 8
Option 2: 2, 6, 10, 14
Option 3: 3, 9, 15, 21
Option 4: 7, 21, 35, 49
Correct Answer: 1, 2, 4, 8
Solution : Let's check the options – First option: 1, 2, 4, 8; 1 × 2 = 2; 1 × 4 = 4; 1 × 8 = 8 Second option: 2, 6, 10, 14; 2 × 3 = 6; 2 × 5 = 10;
Question : The temperature increases rapidly above:
Option 1: Ionosphere
Option 2: Exosphere
Option 3: Stratosphere
Option 4: Troposphere
Correct Answer: Exosphere
Solution : The correct answer is the Exosphere.
Temperature increases rapidly in the exosphere. Earth's atmosphere is divided into various layers depending upon the temperature changes. They are the troposphere, the stratosphere, the mesosphere and the thermosphere. In the troposphere, temperature decreases with height, while in the
Question : A solid sphere of radius 4 cm is melted and cast into the shape of a solid cone of height 4 cm. The radius of the base of the cone is______.
Option 1: 8 cm
Option 2: 4 cm
Option 3: 6 cm
Option 4: 10 cm
Correct Answer: 8 cm
Solution : Radius of sphere = 4 cm Volume of sphere = $\frac{4}{3} \pi r^3$ = $\frac{4}{3} \pi (4)^3$ Let the radius of the base of the cone be $R$ and the height is 4 cm. Now volume of cone = $\frac{1}{3} \pi r^2h$ = $\frac{1}{3}
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (122, 136, 24) (222, 248, 36)
Option 1: (30, 367, 78)
Option 2: (189, 213, 32)
Option 3: (145, 244, 89)
Option 4: (212, 258, 56)
Correct Answer: (212, 258, 56)
Solution : Given: (122, 136, 24); (222, 248, 36)
Here, (122, 136, 24)→(136 – 122) + 10 = 14 + 10 = 24 (222, 248, 36)→(248 – 222) + 10 = 26 + 10 = 36
Let's check the options – First option: (30, 367,
Question : Select the most appropriate ANTONYM of the underlined word.
The Tokyo Games accelerated energy policies in Japan, demonstrating how they could make steps towards a low-carbon economy by powering the athletes' village with hydrogen from clean, green sources.
Option 1: inspiring
Option 2: exploring
Option 3: collating
Option 4: hiding
Correct Answer: hiding
Solution : The correct choice is the fourth option.
Explanation: "Demonstrating" means to show or make evident. Hiding is its appropriate antonym, as it means to conceal or keep something out of sight, opposing the idea of making steps or actions visible.
The meanings of the other
Question : Directions: In the following question, out of the four alternatives, select the one that will improve the bracketed part of the sentence. In case no improvement is needed, select "No improvement".
The thief escaped (from burning) as the noble King pardoned him.
(1) of being burnt
(2) from being burnt
(3) from having being burnt
(4) No improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The correct choice is the second option.
Explanation: The phrase "from burning'' should be replaced with ''from being burnt''. "From being burnt" indicates the circumstance or reason under which the thief escaped. It is the passive form of someone burning the thief. It suggests
Question : Select the word that is closest in meaning (SYNONYM) to the word given below. CAJOLE
Option 1: DISSUADE
Option 2: PERSUADE
Option 3: BULLY
Option 4: DISENCHANT
Correct Answer: PERSUADE
Solution : The correct choice is the first option.
The word that is closest in meaning to "cajole" is: Persuade
The word cajole means to persuade someone through flattery, gentle urging, or insincere praise. The term often implies the use of coaxing or sweet-talking to influence someone's
Question : Directions: Among seven sisters, T, U, V, W, X, Y, and Z. U is older than only four other sisters. V is older than W. T is older than Y. X is older than one person only that is Z who is the youngest among all sisters. U is older than T. Given that no two sisters are of the same age, find who is the eldest sister.
Option 1: X
Option 2: V
Option 3: U
Option 4: W
Correct Answer: V
Solution : Given: I. U is older than only four other sisters. _ > _ > U > _ > _ > _ > _ II. X is older than one person only that is Z who is the youngest among all sisters. _ > _ >
Question : Match correctly the insect vectors in List I with the diseases transmitted by them given in List II :
Option 1: a-1, b-4, c-2, d-3
Option 2: a-2, b-1, c-4, d-3
Option 3: a-3, b-2, c-1, d-4
Option 4: a-4, b-3, c-1, d-2
Correct Answer: a-4, b-3, c-1, d-2
Solution : Correct answer is a-4, b-3, c-1, d-2
Malaria is transmitted to humans by the female anopheles mosquito. Filariasis disease is caused by the culex mosquito. Kala-azar disease is caused by the sand fly vector. Sleeping sickness is caused by parasites transmitted by
Question : Directions: What should come in place of the question mark (?) in the given series? 473, 464, 448, ?, 387
Option 1: 378
Option 2: 348
Option 3: 423
Option 4: 323
Correct Answer: 423
Solution : Given: 473, 464, 448, ?, 387
Subtract the squares of the consecutive numbers (starting from 3) from each term to get the next term of the series. 473 – (3)2 = 473 – 9 = 464 464 – (4)2 = 464 – 16
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