PST PAST PAPER 23-09-2021
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- x, 5x, 9x
- 2y, 7y, 10y
- x, 5x², 99xy, 9
- None of these
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Explanation
Unlike terms have different variables or different powers of variables.
In x, 5x², 99xy, 9, the variables and powers are different, so they are unlike terms.
Last verified on 15-03-2026
- Yes
- No
- Both A and B
- None of these
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Explanation
Cost per game = Total cost ÷ Number of games = 60 ÷ 3 = Rs. 20
Since it's Rs. 20 per game, not Rs. 25.
Last verified on 15-03-2026
- Rs. 6400
- Rs. 9600
- Rs. 7200
- None of these
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Explanation
30% of Rs. 32000 = 0.3 × 32000 = Rs. 9600
Last verified on 15-03-2026
- {1}
- {2}
- {3}
- None of these
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Explanation
X U Y = {2, 3, 4, 5, 6}
(X U Y)' = U - (X U Y) = {1}
Last verified on 15-03-2026
- Region
- Area
- Perimeter
- None of these
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Explanation
The perimeter is the total distance around a closed shape.
It is calculated by adding the lengths of all sides of the shape.
Last verified on 15-03-2026
- 100 mm
- 10 mm
- 1000 mm
- None of these
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Explanation
1 cm = 10 mm
1 meter = 100 cm = 1000 mm
1 km = 1000 meters = 100,000 cm
5 cm = 50 mm
7.5 cm = 75 mm
Last verified on 15-03-2026
- Rs. 50
- Rs. 100
- Rs. 500
- None of these
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Explanation
Total = Rs. 600
One note = Rs. 100
Other note = 600 - 100 = Rs. 500
Last verified on 15-03-2026
- Area
- Perimeter
- Circumference
- None of these
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Explanation
The formula 1/2 Base × Altitude is used to calculate the Area of a triangle.
Last verified on 15-03-2026
- 60%
- 70%
- 80%
- None of these
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Explanation
(28/40) × 100 = 0.7 × 100 = 70%
Last verified on 15-03-2026
- 4 years
- 6 years
- 8 years
- None of these
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Explanation
Let's Arman's age = x, Riaz's age = x + 5
Four years later:
Arman = x + 4, Riaz = x + 5 + 4 = x + 9
x + 9 = 2(x + 4)
x + 9 = 2x + 8
x = 1
Riaz's age = x + 5 = 1 + 5 = 6 years
Last verified on 15-03-2026