STS 05 TO 15 GRADUATION SCREENING TEST PAST PAPER 20-01-2023
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- 60 x 140
- 130 x 170
- 70 x 150
- None of these
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Explanation
Let width = w, length = 2w + 20
Perimeter = 2(length + width)
400 = 2((2w + 20) + w)
200 = 3w + 20
180 = 3w
w = 60
Length = 2(60) + 20 = 140
Width = 60
Dimensions: 60 × 140
Last verified on 09-03-2026
- 10 minutes
- 5 minutes
- 15 minutes
- None of these
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Explanation
Jamal's rate: 240 pages / 40 min = 6 pages/min
Saeed's rate: 240 pages / 30 min = 8 pages/min
Zahid's rate: 240 pages / 24 min = 10 pages/min
Combined rate: 6 + 8 + 10 = 24 pages/min
Time = Total work / Combined rate
= 240 pages / 24 pages/min
= 10 minutes
Last verified on 09-03-2026
- 80°
- 60°
- 90°
- None of these
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Explanation
Let the angles be x, 2x, 3x.
Sum of angles in a triangle = 180°
x + 2x + 3x = 180°
6x = 180°
x = 30°
Middle angle = 2x = 2(30°) = 60°
Last verified on 09-03-2026
- 2
- 6
- 12
- None of these
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Explanation
√3 (√12 + 2√3)
= √3 (2√3 + 2√3)
= √3 (4√3)
= 4 × 3
= 12
Last verified on 09-03-2026
- 10
- 15
- 20
- None of these
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Explanation
5(20 × √36) ÷ (44 - √16)
= 5(20 × 6) ÷ (44 - 4)
= 5(120) ÷ 40
= 600 ÷ 40
= 15
Last verified on 09-03-2026
- 1
- No Solution
- Many
- None of these
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Explanation
2x + 3y = 4 ... (1)
4x + 6y = 8 ... (2)
(2) is just (1) multiplied by 2.
Infinitely many solutions!
Last verified on 09-03-2026
- 2a⁵
- 2a²
- 29
- None of these
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Explanation
⁵√32a¹⁰
= ⁵√(2⁵ × a¹⁰)
= 2a²
Last verified on 09-03-2026
- 3
- 2
- 1
- None of these
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Explanation
3! = 6
4⁶ / 8⁴
= (2²)⁶ / (2³)⁴
= 2¹² / 2¹²
= 1
Last verified on 09-03-2026
- 45y
- 18y²
- 45y²
- None of these
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Explanation
(15y) × (3y) = 45y²
Last verified on 09-03-2026
- 12
- 15
- 18
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
(x-3)² + (x+1)² = (x+5)²
x² - 6x + 9 + x² + 2x + 1 = x² + 10x + 25
2x² - 4x + 10 = x² + 10x + 25
x² - 14x - 15 = 0
(x-15)(x+1) = 0
x = 15 or x = -1
x = 15 fits the given lengths are positive.
Last verified on 09-03-2026