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The MCQs below are drawn from the Arabic subject category.
Showing 51–60
of 2422 MCQs
Page 6 / 243
51
What is the output voltage of a step-up transformer? (CSS-2024)
A. The output voltage is greater than the input voltage
B. The output voltage is equal to the input voltage
C. The output voltage is less than the input voltage
D. None of these
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Correct Option
Explanation
Duplicate of Q1. A step-up transformer increases voltage due to more secondary coil turns (Halliday & Resnick).
52
The Horn of Africa (HoA) is located in which part of the African continent? (CSS2024)
A. Eastern Africa
B. Western Africa
C. Northern Africa
D. None of these
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Correct Option
Explanation
Duplicate of Q106; retained for completeness.
53
Djibouti is strategically located at the mouth of which sea? (CSS-2024)
A. Mediterranean Sea
B. South China Sea
C. Red Sea
D. None of these
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Correct Option
Explanation
Duplicate of Q105; retained for completeness.
54
When was the “Made in China 2025” strategic plan initiated? (CSS-2024)
A. 2010
B. 2015
C. 2020
D. None of these
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Correct Option
Explanation
Duplicate of Q104; retained for completeness.
55
“G-2 or Group of Two” is an informal diplomacy between: (CSS-2024)
A. Germany and Greece
B. US and China
C. Germany and Ghana
D. None of these
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Correct Option
Explanation
Duplicate of Q101; retained here for completeness.
56
Given: PQS, QRT, RSU, STV ... What should follow? (CSS-2024)
A. TUW
B. SUV
C. STU
D. None of these
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Correct Option
Explanation
Pattern: First letter increases by 1 (P, Q, R, S, T), second by 1 (Q, R, S, T, U), third by 2 (S, T, U, V, W). Next: TUW.
57
What is the perimeter of a semi-circle lake having a radius of 700m? (CSS-2024)
A. 127.4 km
B. 3.6 km
C. 2.9 km
D. None of these
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Correct Option
Explanation
Perimeter = πr + 2r = 700π + 1400 ≈ 2200 + 1400 = 3600 m = 3.6 km. Option C (2.9 km) seems incorrect; likely a typo.
58
Name the regular polygon that has an exterior angle of 36. (CSS-2024)
A. Pentagon
B. Hexagon
C. Decagon
D. None of these
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Correct Option
Explanation
Exterior angle = 360/n. Then 360/n = 36, n = 10 (decagon).
59
Find the value of a, when A = (2x + y)x^2, where A = 36 and y = 2.77. (CSS-2024)
A. 3
B. 4
C. 2
D. None of these
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Correct Option
Explanation
A = x^2(2x + 2.77) = 36. Let z = x^2. Then z(2√z + 2.77) = 36. Solve numerically or test options; x = 2 fits approximately.
60
Find the value of a^3 + 2b^2, when a + b = 5 and ab = 6. (CSS-2024)
A. 37
B. a = 3, b = 2 (or vice versa). Then a^3 + 2b^2 = 27 + 2×4 = 35. Option A (37) seems incorrect;
C. 13
D. None of these
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Correct Option
Explanation
a + b = 5, ab = 6. Then a^2 + b^2 = (a + b)^2 - 2ab = 25 - 12 = 13. a^3 = a(a^2 + b^2 - b^2) = a(13 - b^2). Use (a - b)^2 = (a + b)^2 - 4ab = 25 - 24 = 1, so a - b = ±1. Solve for a,
