Staff Selection Commission Combined Higher Secondary Level Exam
Question : In sea, plants are restricted up to the depth of
Option 1: 20 m
Option 2: 200 m
Option 3: 1000 m
Option 4: 2000 m
Correct Answer: 200 m
Solution : The correct answer is 200m.
In sea plants are found till the depth of 200 m only because uptil there only sunlight reaches. In a sea photic zone is upto the depth of 200 m only, after that deep sea or twilight zone starts
Question : In April 2019, Dinesh purchased a new car for INR 7,00,000 and sold it in April 2022 at its depreciated cost. If the rate of depreciation in the first year is 20%, 15% in the second year, and 10% every year thereafter, what amount of money will Dinesh get as the selling price?
Option 1: INR 4,28,400
Option 2: INR 4,28,600
Option 3: INR 4,68,400
Option 4: INR 5,28,400
Correct Answer: INR 4,28,400
Solution : After the first year, the value of the car depreciates by 20%. The value of the car after the first year = 7,00,000 × (1 – 0.20) = INR 5,60,000. After the second year, the value of the car depreciates by 15%. The value
Question : What is the value of $(a-b)^3 - a^3 + b^3$?
Option 1: $3ab(a-b)$
Option 2: $-3ab(a+b)$
Option 3: $3ab(a+b)$
Option 4: $-3ab(a-b)$
Correct Answer: $-3ab(a-b)$
Solution : $(a-b)^3 - a^3 + b^3 $ Using the algebraic identity, $(a-b)^3 = a^3 - b^3 - 3ab(a-b)$ ⇒ $(a-b)^3 - a^3 + b^3$ = $a^3 - b^3 - 3ab(a-b) - a^3 + b^3$ = $- 3ab(a-b)$ Hence, the correct answer is $-3ab(a-b)$.
Question : The sides of a triangle are in the ratio 7 : 9 : 12. The difference between the lengths of the largest and smallest sides is 15 cm. The length of the largest side would be (in cm):
Option 1: 36
Option 2: 12
Option 3: 60
Option 4: 24
Correct Answer: 36
Solution : Given: The sides of a triangle are in the ratio of 7 : 9 : 12. Let the sides of the triangle be $7x, 9x$, and $12x$. According to the question, $12x -7x = 15$ ⇒ $5x = 15$ ⇒ $x = \frac{15}{5} = 3$
Question : How many members can be nominated to both Houses of the Parliament by the President?
Option 1: 16
Option 2: 10
Option 3: 12
Option 4: 14
Correct Answer: 14
Solution : The correct answer is 14.
The President can appoint up to 12 Rajya Sabha members with exceptional expertise or practical experience in sectors such as literature, science, art, and social service. If the President considers that the Anglo-Indian community is underrepresented in the Lok Sabha,
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Nainital has a 1. _____lake. Tourists come from far and wide to 2. _____ boating here. There is a skating place behind it. People who skate here say that the ride seems to go around with them. Evenings are also pleasant here. The 3. _____ of the electric lights look as if they are dancing in the ripples of the lake. Truly, Nainital is an 4. _____city of 5. _____beauty. Question: Select the most appropriate option for blank 4.
Option 1: opulent
Option 2: irritating
Option 3: ominous
Option 4: excellent
Correct Answer: excellent
Solution : The correct choice is the fourth option.
The passage describes the scenic beauty and the pleasant atmosphere in Nainital, making it a charming destination. The word excellent effectively captures the magical and delightful essence of the city.
The meanings of the other options are
Question : Which of these is not a characteristic of durable goods?
Option 1: They are capable of repetitive use.
Option 2: They are not extinguished by immediate consumption.
Option 3: They are meant for repetitive purchases.
Option 4: They have a relatively long life.
Correct Answer: They are meant for repetitive purchases.
Solution : The correct option is They are meant for repetitive purchases.
The statement "They are meant for repetitive purchases" is not a characteristic of durable goods. Durable goods are products that have a long lifespan and are not meant to
Question : Which of the following is an advantage of foreign competition?
Option 1: No requirement to develop new products.
Option 2: The incentive to produce efficiently.
Option 3: Expansion of foreign market.
Option 4: Saving of foreign exchange reserves.
Correct Answer: The incentive to produce efficiently.
Solution : The correct option is the incentive to produce efficiently.
An advantage of foreign competition is that it provides an incentive for domestic producers to become more efficient. When competing with foreign companies, domestic businesses are pushed to improve their productivity, reduce
Question : Which of the following earthquake waves are surface waves?
Option 1: P waves
Option 2: L waves
Option 3: S waves
Option 4: M waves
Correct Answer: L waves
Solution : The correct option is L waves.
L waves are surface waves. They are named after the British mathematician A. E. H. Love, who first mathematically predicted their existence. Love waves move the ground from side to side in a horizontal plane perpendicular to
Question : Directions: If A means ×, B means ÷, C means + and D means –, then what will come in the place of (?) in the given expression? 94 B 47 C 63 D 14 A 5 C (?) = –2
Option 1: 7
Option 2: 3
Option 3: 4
Option 4: 6
Correct Answer: 3
Solution : Given: 94 B 47 C 63 D 14 A 5 C (?) = –2
After replacing the letters with the mathematical signs, we get – ⇒ 94 ÷ 47 + 63 – 14 × 5 + (?) = –2 ⇒ 2 + 63 – 14
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