Q. A is older than B but younger than C. D is younger than A. Who is the oldest?
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Solution
C is the oldest as A is younger than C.
Correct Answer: C — C
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Q. A is twice as old as B. If B is 10 years old now, how old will A be in 5 years? (2023)
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Solution
If B is 10, A is 20. In 5 years, A will be 25.
Correct Answer: B — 25
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Q. A, B, C, D, and E are standing in a line. A is to the left of B, and C is to the right of D. If E is at the end of the line, who is in the middle?
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Solution
The order is D, A, B, C, E. B is in the middle.
Correct Answer: B — B
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Q. Five friends are sitting in a row. A is to the left of B and to the right of C. D is to the right of E. Who is sitting in the middle? (2023)
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Solution
The order from left to right is C, A, B, and D is to the right of E. Thus, A is in the middle.
Correct Answer: A — A
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Q. Five friends are sitting in a row. A is to the left of B but to the right of C. D is to the right of A. Who is sitting in the middle?
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Solution
The order is C, A, B, D. A is in the middle.
Correct Answer: A — A
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Q. How does the presence of constraints affect the potential energy of a system? (2022)
A.
It increases potential energy
B.
It decreases potential energy
C.
It has no effect
D.
It converts potential energy to kinetic energy
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Solution
Constraints can limit the configurations of a system, often leading to a decrease in potential energy.
Correct Answer: B — It decreases potential energy
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Q. If a clock shows 3:15, what is the angle between the hour and the minute hands? (2023)
A.
45 degrees
B.
90 degrees
C.
97.5 degrees
D.
75 degrees
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Solution
At 3:15, the hour hand is at 97.5 degrees (3*30 + 15*0.5) and the minute hand is at 90 degrees (15*6). The angle between them is 97.5 - 90 = 7.5 degrees.
Correct Answer: C — 97.5 degrees
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Q. If A is to the left of B and C is to the right of B, where is A in relation to C? (2021)
A.
Left
B.
Right
C.
In front
D.
Behind
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Solution
A is to the left of B, and C is to the right of B, so A is to the left of C.
Correct Answer: A — Left
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Q. If in a class, the teacher is older than the students and the principal is older than the teacher, who is the youngest? (2019)
A.
Teacher
B.
Students
C.
Principal
D.
None of the above
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Solution
The students are the youngest as the teacher is older than them.
Correct Answer: B — Students
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Q. If in a group of five friends, X is older than Y but younger than Z, who is the youngest? (2022)
A.
X
B.
Y
C.
Z
D.
None of the above
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Solution
Since X is older than Y and younger than Z, Y is the youngest.
Correct Answer: B — Y
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Q. If P is heavier than Q and R is lighter than S, which of the following is true? (2020)
A.
P > Q
B.
R < S
C.
P < S
D.
Q > R
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Solution
P is heavier than Q is a direct statement from the given information.
Correct Answer: A — P > Q
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Q. If T is to the right of U and S is to the left of U, where is S in relation to T?
A.
Left
B.
Right
C.
Same
D.
None
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Solution
S is to the left of T.
Correct Answer: A — Left
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Q. If X is taller than Y and Y is shorter than Z, who is the shortest? (2023)
A.
X
B.
Y
C.
Z
D.
None of the above
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Solution
Y is the shortest as X is taller than Y and Y is shorter than Z.
Correct Answer: B — Y
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Q. In a class of 30 students, 18 are girls. What percentage of the class are boys? (2023)
A.
40%
B.
60%
C.
50%
D.
30%
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Solution
If there are 30 students and 18 are girls, then there are 12 boys. The percentage of boys = (12/30) * 100 = 40%.
Correct Answer: A — 40%
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Q. In a competition, X finishes before Y but after Z. If W finishes after Y, who is the last?
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Solution
W is last as it finishes after Y.
Correct Answer: D — W
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Q. In a constraint-based distribution problem, which of the following is typically considered a constraint? (2020)
A.
Total energy of the system
B.
Total mass of the system
C.
Distance between two points
D.
Velocity of an object
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Solution
The total mass of the system is a constraint that affects how forces are distributed.
Correct Answer: B — Total mass of the system
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Q. In a distribution puzzle, if A is taller than B and C is shorter than D, who is the tallest among A, B, C, and D? (2021)
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Solution
Since A is taller than B and C is shorter than D, A must be the tallest.
Correct Answer: A — A
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Q. In a family, if the mother is older than the father and the son is younger than the daughter, who is the oldest? (2019)
A.
Mother
B.
Father
C.
Son
D.
Daughter
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Solution
The mother is the oldest as she is older than the father.
Correct Answer: A — Mother
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Q. In a group of 5 friends, A is taller than B but shorter than C. D is shorter than A but taller than E. Who is the tallest? (2023)
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Solution
C is taller than A, who is taller than B, and D is shorter than A. Therefore, C is the tallest.
Correct Answer: C — C
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Q. In a group of animals, if the cat is faster than the dog and the rabbit is slower than the cat, which animal is the slowest? (2022)
A.
Cat
B.
Dog
C.
Rabbit
D.
None of the above
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Solution
The rabbit is slower than the cat, and since the dog is not compared with the rabbit, the rabbit is the slowest.
Correct Answer: C — Rabbit
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Q. In a group of friends, P is taller than Q but shorter than R. S is shorter than P. Who is the tallest?
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Solution
R is the tallest as P is shorter than R.
Correct Answer: C — R
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Q. In a queue, if A is in front of B and C is behind B, who is in the middle? (2020)
A.
A
B.
B
C.
C
D.
None of the above
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Solution
B is in the middle as A is in front and C is behind.
Correct Answer: B — B
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Q. In a queue, M is in front of N but behind O. P is behind M. Who is at the front?
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Solution
O is at the front as M is behind O.
Correct Answer: C — O
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Q. In a race of 100 meters, A finishes 10 meters ahead of B. If A's time is 10 seconds, how much time does B take to finish the race? (2023)
A.
12 seconds
B.
11 seconds
C.
10 seconds
D.
9 seconds
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Solution
If A finishes 10 meters ahead of B in 10 seconds, B runs 90 meters in 10 seconds. Therefore, B's time for 100 meters = (100/90) * 10 = 11.11 seconds, which rounds to 12 seconds.
Correct Answer: A — 12 seconds
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Q. In a race, A finishes before B but after C. D finishes after A. Who is the fastest?
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Solution
C is the fastest as A finishes after C.
Correct Answer: C — C
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Q. In a race, E finishes before F but after D. If G finishes after E, who is the second last?
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Solution
F is second last as E finishes before F.
Correct Answer: C — F
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Q. In a race, if Runner A finishes before Runner B and Runner C finishes after Runner D, who could be the last? (2023)
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Solution
Runner C could be the last since they finish after Runner D.
Correct Answer: C — C
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Q. In a system with multiple constraints, what is the effect on the distribution of forces? (2022)
A.
Forces become independent
B.
Forces are uniformly distributed
C.
Forces must satisfy all constraints
D.
Forces are eliminated
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Solution
Forces in a constrained system must satisfy all imposed constraints, affecting their distribution.
Correct Answer: C — Forces must satisfy all constraints
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Q. In constraint-based distribution, what is meant by 'degrees of freedom'? (2019)
A.
The number of independent movements allowed
B.
The total energy in the system
C.
The mass of the objects involved
D.
The speed of the system
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Solution
Degrees of freedom refer to the number of independent movements or parameters that can vary in a system.
Correct Answer: A — The number of independent movements allowed
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Q. What is the primary purpose of constraint-based distribution in physics? (2021)
A.
To maximize energy efficiency
B.
To ensure equilibrium in a system
C.
To minimize the total mass
D.
To optimize speed
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Solution
Constraint-based distribution ensures that all forces in a system are balanced, leading to equilibrium.
Correct Answer: B — To ensure equilibrium in a system
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