SST MATH PHYSICS PAST PAPER 2018
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
Diminish
Enlarge
Shrink
Decrease
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Explanation
Magnify means بڑا کرنا
Enlarge means بڑا کرنا
Stalwart
Bold
Brave
All of these
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Explanation
Coward means بزدل
Stalwart means دلیر
Bold means دلیر
Brave means بہادر
44%
34%
24%
None of these
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Explanation
Kinetic energy (K) is related to momentum (p) by K = p² / 2m. If momentum increases by 20%, the new momentum p' = 1.2p.
The new kinetic energy K' = (p')² / 2m = (1.2p)² / 2m = 1.44p² / 2m = 1.44K.
The percentage increase in K.E is ((K' - K) / K) × 100 = ((1.44K - K) / K) × 100 = 44%.
زمبابوے کا موجودہ صدر کون ہے؟
Robert Mugabe
Emmerson Mnangagwa
Constantine Chiwenga
None of these
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Explanation
Emmerson Mnangagwa is the current president of Zimbabwe Since 2017 .
He replaced Robert Mugabe.
He is the third president of Zimbabwe
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Updated & verified on 09-09-2025
15°, 45°
10°, 80°
60°, 50°
None of these
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Explanation
For projectile motion, two complementary angles θ and 90° - θ give the same range if the initial velocity is constant.
Since 10° + 80° = 90°, the angles 10° and 80° are complementary and will have equal ranges.
اگر کوئی شخص اعلی اضطراب کے واقعات جیسے کریش یا حادثات کو یاد کرتا ہے تو ، وہ انا کے اس کس مرحلے پر ہوگا؟
1
2
3
None of these
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Explanation
A 3×3 matrix has two diagonals: one main (or primary ) diagonal (from top-left to bottom-right) and one secondary diagonal (from top-right to bottom-left). These diagonals consist of the elements that lie along those two paths .
پرواز کے کل وقت اور پروجیکٹائل کی اونچائی کے درمیان تعلق _____ ہے؟
H = 8/gT²
H = gT/8
H = gT²/8
None of these
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Explanation
The total time of flight (T) for a projectile is given by:
T = 2v₀sin(θ) / g
The maximum height (H) is:
H = (v₀sin(θ))² / (2g)
Using T = 2v₀sin(θ) / g, we can express v₀sin(θ) = gT/2. Substituting this into the height equation gives:
H = (gT/2)² / (2g) = g²T² / 8g = gT² / 8
67
66
65
None of these
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Explanation
Median is the middle value when data is arranged in order.
Ordered data: 63, 65, 66, 67, 69 → middle value is 66 .
2
1
0
None of these
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Explanation
Variance measures the spread of values around the mean.
For a constant number, all values are the same , so there is no spread .
Formula: Variance = ∑ ( x i − x ˉ )^ 2/n
Here, x i = x ˉ for all i → (x_i - bar{x})^2 = 0 ( x i − x ˉ )^ 2 = 0
Therefore, variance = 0 .
Last updated question 25 feb 2026
Crude death rate
Standardized rate
Specific death rate
None of these
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Explanation
Specific death rate refers to the death rate calculated for a particular segment or subgroup of the population (e.g., by age, sex, cause).
It helps in understanding mortality patterns more precisely than the overall crude death rate.