Staff Selection Commission Combined Higher Secondary Level Exam
Question : Sixteen years ago, my grandfather was 9 times older than me. Eight years from now, he will be 3 times my age. Determine the ratio of my age to my grandfather's age eight years ago.
Option 1: 3 : 8
Option 2: 2 : 5
Option 3: 1 : 2
Option 4: 1 : 5
Correct Answer: 1 : 5
Solution : 16 years ago, let my age and my grandfather's age be $x$ years and $9x$ years respectively. According to the question, $9x+16+8=3(x+16+8)$ ⇒ $9x+24=3x+48+24$ ⇒ $6x=48$ ⇒ $x=8$ Required ratio 8 years ago, = $(x+8):(9x+8)$ = (8 + 8) : (9 × 8
Question : When a body is immersed in a liquid, the force acting on it is:
Option 1: Upthrust
Option 2: Weight
Option 3: Mass
Option 4: Both 1 and 2
Correct Answer: Both 1 and 2
Solution : The correct option is Both 1 and 2.
When a body is immersed in a liquid, it is subjected to two major forces. The first is the weight of the body, which pulls it downward owing to gravity. Upthrust (buoyant force)
Question : Which article of the Indian Constitution deals with the formation of new states and the alteration of areas, boundaries or names of existing states?
Option 1: 6
Option 2: 4
Option 3: 3
Option 4: 5
Correct Answer: 3
Solution : The correct option is 3.
The formation of new states and the alteration of areas, boundaries, or names of existing states in India are primarily governed by Article 3 of the Indian Constitution. Article 3 empowers the Parliament of India to make laws regarding
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".
Viren plays hockey and football (too)
(1) both
(2) also
(3) even
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The fourth option is the correct choice.
''Too'' is used correctly in the sentence indicating that Viren plays both hockey and football.
Question : A and B working separately can do a piece of work in 9 and 15 days respectively. If they work on alternate days, starting with A, then the work will be completed in:
Option 1: 10 days
Option 2: 11 days
Option 3: 9 days
Option 4: 12 days
Correct Answer: 11 days
Solution : Given: A and B working separately can do a piece of work in 9 and 15 days respectively. They work on alternate days, starting with A. Let the total work = LCM of 9 and 15 = 45 units A’s 1 day work =
Question : The total surface area of a solid hemisphere of diameter 14 cm is (use $\pi=\frac{22}{7}$ ):
Option 1: 522 cm2
Option 2: 462 cm2
Option 3: 428 cm2
Option 4: 584 cm2
Correct Answer: 462 cm2
Solution : Diameter = 14 cm Radius, $r = \frac{14}{2} = 7$ cm The total surface area of a hemisphere = $3\pi r^2= 3 \times \frac{22}{7} \times 7^2 = 462$ cm2 Hence, the correct answer is 462 cm2.
Question : Who introduced the Mansabdari system into the administration under the Mughals?
Option 1: Akbar
Option 2: Shah Jahan
Option 3: Aurangzeb
Option 4: Jahangir
Correct Answer: Akbar
Solution : The correct option is Akbar.
The Mansabdari system, introduced by Akbar, was unique to the Mughal Empire's civil and military administrative systems. Under this system, each officer was awarded a rank. The lower rank was ten, and the highest was 5000 for the nobles; near
Question : Law of Demand states that there is a negative relationship between ______.
Option 1: demand for a commodity and its supply
Option 2: demand for a commodity and its price
Option 3: tax on a commodity and its price
Option 4: supply of a commodity and its price
Correct Answer: demand for a commodity and its price
Solution : The correct option is demand for a commodity and its price.
The Law of Demand asserts a negative relationship between the price of a commodity and the quantity demanded. As the price rises, demand tends to decrease, and
Question : Directions: Select the correct option that indicates the arrangement of the given words in a logical and meaningful order. 1. Thighs 2. Stomach 3. Nose 4. Lips 5. Skull
Option 1: 1, 2, 5, 3, 4
Option 2: 1, 2, 3, 4, 5
Option 3: 1, 2, 4, 3, 5
Option 4: 1, 2, 3, 5, 4
Correct Answer: 1, 2, 4, 3, 5
Solution : Given: 1. Thighs 2. Stomach 3. Nose 4. Lips 5. Skull
Starting from the top of the human body, we have the skull, which houses and protects the brain. Just below that, we have the nose, which is responsible for our
Question : A substance used as an antifreeze in radiators of automobiles is:
Option 1: Methyl alcohol and H2O.
Option 2: Methyl alcohol
Option 3: Ethyl alcohol
Option 4: Ethyl alcohol and H2O.
Correct Answer: Methyl alcohol and H2O.
Solution : The correct option is Methyl alcohol and H2O.
Methyl alcohol (CH3OH), usually known as methanol, is a kind of alcohol that may be used as an antifreeze in automotive radiators. It works as a coolant and
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