Staff Selection Commission Combined Higher Secondary Level Exam
Question : Heart attack occurs due to
Option 1: bacterial attack on the heart
Option 2: stopping of heart beat
Option 3: lack of supply of blood to the heart itself
Option 4: impairment of heart's working due to unknown reasons
Correct Answer: lack of supply of blood to the heart itself
Solution : The correct answer is lack of supply of blood to the heart itself.
A heart attack happens when the blood supply to the heart is interrupted. A blood clot in a coronary artery, a blood vessel that
Question : Directions: In the following question, four number pairs are given. In each pair, the number on the left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three pairs are similar based on the same Logic/Rule/Relation. Select the odd one out from the given alternatives. (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.)
Option 1: 51624 – 42615
Option 2: 51678 – 87615
Option 3: 42675 – 57624
Option 4: 12311 – 11231
Correct Answer: 12311 – 11231
Solution : Let's check the options – First option: 51624 – 42615; Reversing the digits of 51624 leads to 42615. Second option: 51678 – 87615; Reversing the digits of 51678 leads to 87615. Third option: 42675 – 57624; Reversing the digits of 42675 leads to
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. The solar system is made up of the sun, planets, moons, asteroids, and comets that 1.______ around it. Its mysteries and wonders have captured the imagination of people from all walks of life, and it continues to be an area of active research and exploration. The sun is at the centre of the solar system and is the largest object in it. The eight planets in the solar system, 2._________ Earth, orbit around the sun in nearly circular paths. While the sun is at the centre of the solar system and dominates its gravitational pull, each planet has its own unique set of characteristics that makes it a fascinating object to study. Each planet in the solar system has unique characteristics and features. 3._________ planets, such as Mercury and Venus, are small and rocky, while others, like Jupiter and Saturn, are much larger and made up mostly of gas. The outer planets, Uranus and Neptune, are 4._______ as 'ice giants' because they contain more water, ammonia, and methane than the gas giants. In addition to the planets, the solar system also has numerous moons, asteroids, and comets. These objects provide important 5.______ about the formation and evolution of the solar system. Question: Select the most appropriate option to fill in the blank 1.
Option 1: form
Option 2: orbit
Option 3: stick
Option 4: fly
Correct Answer: orbit
Solution : The most appropriate option is the second option.
Explanation: Orbit is the correct word to use in this context, as it refers to the motion of celestial objects around a central body due to gravitational pull. In the context of the solar system, planets, moons,
Question : Which of the following dynasties succeeded the Mauryas?
Option 1: Satavahana
Option 2: Shunga
Option 3: Yavana
Option 4: Pandya
Correct Answer: Shunga
Solution : The correct answer is Shunga.
The Shunga Dynasty took over after the Maurya Dynasty. Pushyamitra Shunga founded it in the year 185 BC. The Shunga Empire, an ancient Indian dynasty from Magadha, ruled over parts of the central and eastern Indian subcontinent. At a military
Question : Which singer was one of the Navaratnas (Nine Jewels) in the court of Mughal Emperor Jalal ud-din Muhammad Akbar?
Option 1: Alla Rakha
Option 2: Ustad Ahmad Lahori
Option 3: Amir Khusrau
Option 4: Tansen
Correct Answer: Tansen
Solution : The correct option is Tansen.
The singer who was one of the Navaratnas (Nine Jewels) in the court of Mughal Emperor Akbar was Tansen. Tansen, also known as Miyan Tansen, was a legendary musician and one of the most prominent figures in Akbar's court.
Question : $\triangle ABC$ is an isosceles triangle with AB = AC. If $\angle BAC=50^\circ$, then the degree measure of $\angle ABC$ is equal to:
Option 1: $70^\circ$
Option 2: $55^\circ$
Option 3: $60^\circ$
Option 4: $65^\circ$
Correct Answer: $65^\circ$
Solution : Given: $\triangle ABC$ is an isosceles triangle with AB = AC. $\angle BAC=50^\circ$ We know that the other two angles are the same in an isosceles triangle. Let the other two angles be $x$. The sum of the angles of a triangle is $180^\circ$ So,
Question : If $\left(y^2+\frac{1}{y^2}\right)=74$ and $y>1$, then find the value of $\left(y-\frac{1}{y}\right)$.
Option 1: $6 \sqrt{2}$
Option 2: $-2 \sqrt{19}$
Option 3: $2 \sqrt{19}$
Option 4: $-6 \sqrt{2}$
Correct Answer: $6 \sqrt{2}$
Solution : $y^2+\frac{1}{y^2}=74$ Subtracting 2 from both sides, $⇒y^2+\frac{1}{y^2}-2=74-2$ ⇒ $(y-\frac{1}{y})^2=72$ ⇒ $y-\frac{1}{y}=\pm\sqrt{72}$ As $y>1$, $\therefore y-\frac{1}{y}=\sqrt{72}=\sqrt{36×2}=6\sqrt2$ Hence, the correct answer is $6\sqrt{2}$.
Question : Directions: Select the option that represents the combination of letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. _cdd_dd_ddc_
Option 1: dccd
Option 2: cddc
Option 3: cdcd
Option 4: dcdc
Correct Answer: dccd
Solution : Given: _cdd_dd_ddc_
To fill the series we have to divide the series – _cd / d_d / d_d / dc_ Let's check each option – First option:dccd; dcd / dcd / dcd / dcd (dcd is repeated
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : The following pie chart shows the sale of different vegetables in a day at a shop. If a total of 1000 kg of vegetables were sold in a day, then what is the amount of tomatoes sold (in kg)?
Option 1: 400
Option 2: 250
Option 3: 100
Option 4: 150
Correct Answer: 400
Solution : Amount of tomatoes sold = 40% of 1000 kg = $\frac{40}{100}×1000$ = 400 kg Hence, the correct answer is 400.
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