Q. Find the missing number: 12, 24, 48, ?, 192
A.
96
B.
100
C.
120
D.
144
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Solution
Each number is multiplied by 2. 48 * 2 = 96.
Correct Answer: A — 96
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Q. Identify the odd one out: 2, 3, 5, 7, 9
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Solution
All numbers except 9 are prime numbers.
Correct Answer: D — 9
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Q. What comes next in the pattern: 1, 4, 9, 16, ?
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Solution
These are perfect squares: 1^2, 2^2, 3^2, 4^2, so the next is 5^2 = 25.
Correct Answer: C — 25
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Q. What is the next letter in the series: A, C, E, G, ?
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Solution
The pattern is that each letter is two places ahead in the alphabet. G + 2 = I.
Correct Answer: A — H
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Q. What is the next number in the series: 1, 2, 4, 7, 11, ?
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Solution
The differences are 1, 2, 3, 4, which increase by 1 each time. 11 + 3 = 14.
Correct Answer: A — 14
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Q. What is the next term in the sequence: 3, 6, 11, 18, ?
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Solution
The differences are 3, 5, 7, which increase by 2 each time. 18 + 8 = 26.
Correct Answer: B — 26
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Q. What is the primary factor that affects the gravitational force between two objects? (2023)
A.
The shape of the objects
B.
The distance between the objects
C.
The color of the objects
D.
The temperature of the objects
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Solution
The gravitational force between two objects is primarily affected by the distance between them; as the distance increases, the gravitational force decreases.
Correct Answer: B — The distance between the objects
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Q. What is the primary reason for the seasons on Earth? (2021)
A.
Earth's distance from the Sun
B.
Tilt of Earth's axis
C.
Earth's rotation speed
D.
Sun's energy output
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Solution
The tilt of Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the seasons.
Correct Answer: B — Tilt of Earth's axis
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Q. What is the unit of force in the International System of Units (SI)? (2019)
A.
Joule
B.
Newton
C.
Pascal
D.
Watt
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Solution
The unit of force in the SI system is the Newton (N), which is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.
Correct Answer: B — Newton
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Q. What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
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Solution
Refraction is the bending of light as it passes from one medium to another, which causes the straw to appear bent in water.
Correct Answer: B — Refraction
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Q. Which number is missing in the series: 5, 10, 15, ?, 25
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Solution
The pattern is adding 5 each time. 15 + 5 = 20.
Correct Answer: B — 20
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Q. Which number will come next in the series: 1, 1, 2, 3, 5, 8, ?
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Solution
This is the Fibonacci series where the next number is the sum of the previous two. 5 + 8 = 13.
Correct Answer: A — 10
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Q. Which of the following best describes potential energy? (2022)
A.
Energy of motion
B.
Energy stored due to position
C.
Energy transferred through heat
D.
Energy due to mass
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Solution
Potential energy is the energy stored in an object due to its position or configuration, such as an object held at a height.
Correct Answer: B — Energy stored due to position
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Q. Which of the following best describes the concept of inertia? (2020)
A.
The tendency of an object to resist changes in its state of motion
B.
The force that causes an object to accelerate
C.
The energy stored in an object due to its position
D.
The mass of an object multiplied by its velocity
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Solution
Inertia is defined as the tendency of an object to resist changes in its state of motion, which is directly related to its mass.
Correct Answer: A — The tendency of an object to resist changes in its state of motion
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Q. Which of the following describes the concept of work in physics? (2019)
A.
Force applied over a distance
B.
Energy stored in an object
C.
Power multiplied by time
D.
Mass times acceleration
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Solution
Work is defined as the product of force applied over a distance in the direction of the force.
Correct Answer: A — Force applied over a distance
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