STS 05 TO 15 GRADUATION SCREENING TEST PAST PAPER 17-01-2023
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- 180
- 100
- 150
- 120
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Explanation
Pole height : Shadow length = 40 : 30 = 4 : 3
For the plaza (height = pole height, same time):
Plaza shadow length = 200 * (3/4) = 150m
Last verified on 06-03-2026
- 6
- 25
- 20
- 30
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Explanation
15 weavers can do the job in 84 minutes.Let x weavers do the job in 60 minutes.
Weavers and time are inversely proportional, so:
15 * 84 = x * 60
x = (15 * 84) / 60
x = 21 weavers
More weavers required = 21 - 15 = 6
Last verified on 06-03-2026
- 3n+14
- 3n
- 14
- 3n-14
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Explanation
Madiha = n
Samee = n - 6
Javid = (n - 6) - 2 = n - 8
Sum of ages = n + (n-6) + (n-8)
= 3n - 14
Last verified 06-03-2026
- 10
- 19
- 14
- 17
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Explanation
Total students = 27
Since 7 more girls than boys, let's represent the number of boys as x.
Number of girls = x + 7
Total students = Boys + Girls
27 = x + (x + 7)
Combine like terms:
27 = 2x + 7
Subtract 7:
20 = 2x
Divide by 2:
10 = x
Number of boys = 10
Number of girls = 10 + 7 = 17
Therefore:
Total girls in the class = 17
Last verified on 06-03-2026
- 2
- 3
- 4
- None of these
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Explanation
Given:
a + b + c = 2(a-b + a-c)
(a+b) - (a-c) = 3
Simplify equation 1:
a + b + c = 2(2a - b - c)
a + b + c = 4a - 2b - 2c
3a = 3b + 3c
a = b + c ... (i)
Simplify equation 2:
b + c = 3 ... (ii)
From (i) and (ii),
a = 3
Last verified on 06-03-2026
- 20
- 30
- 40
- 45
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Explanation
Student solved 20 questions in 20 minutes, so his speed is 1 question per minute.
He had 40 minutes to solve the test, but left 10 minutes early, so he worked for 40 - 10 = 30 minutes total.
Questions solved = 20 (in first 20 minutes) + 10 (in next 10 minutes) = 30 questions.
Last verified on 06-03-2026
- 45
- 44
- 47
- None of these
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Explanation
Man earned Rs. 5000 for 40 hours.
Regular hourly rate = 5000 / 40 = Rs. 125
Overtime rate = double = 2 x 125 = Rs. 250
Total earned = Rs. 6000
Overtime pay = 6000 - 5000 = Rs. 1000
Overtime hours = 1000 / 250 = 4 hours
Total hours = 40 + 4 = 44 hours
Last verified on 06-03-2026
- Chord
- Perpendicular
- Parallel
- None of these
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Explanation
In a circle, the tangent at the point of contact is perpendicular to the radius drawn to that point.
Therefore, the tangent and the radius make a 90° angle (perpendicular).
Last verified on 06-03-2026
- All real numbers
- All positive number
- All real numbers expect-2
- None of these
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Explanation
The denominator x + 2 must not be zero.
So x ≠ −2, therefore the domain is all real numbers except −2.
Last verified on 06-03-2026
- -7
- 1
- 7
- None of these
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Explanation
7x + 3 = 247x = 24 - 3 = 21
x = 21/7 = 3
Now, 5 - 4x
= 5 - 4(3)
= 5 - 12
= -7
Last verified on 06-03-2026
