STS 05 TO 15 SCREENING TEST 5 YEARS PAST PAPERS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Additive inverse
- Commutative property
- Associative property
- None of these
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Explanation
The property that states:
a + b = b + a
It is known as the Commutative property of addition.
It indicates that the order of the numbers being added does not change the result.
Last verified on 09-02-2026
- Ratio
- Inverse proportion
- Direct proportion
- None of these
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Explanation
In inverse proportion, when one quantity increases, the other decreases in the same ratio.
Their product remains constant: x × y = constant.
Last verified on 09-02-2026
- 5
- 6
- 7
- None of these
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Explanation
S5 = n/2 [2a + (n-1)d]
75 = 5/2 [2(5) + (5-1)d]
75 = 5/2 [10 + 4d]
30 = 10 + 4d
4d = 20
d = 5
Last verified on 09-02-2026
- 5
- 10
- 15
- None of these
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Explanation
If 1, 9, x, and 45 are in proportion, we can set up the proportion as:1 : 9 :: x : 45
This can be written as:
1/9 = x/45
Cross-multiplying:
45 = 9x
x = 45/9
x = 5
Last verified on 09-02-2026
- 6/7
- 6/5
- 1
- None of these
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Explanation
√36/49 = √36 / √49 = 6/7
Last verified on 09-02-2026
- 3.86
- 3.85
- 3.84
- None of these
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Explanation
Rounding Rule for Two Decimal Places:
Look at the third decimal digit (6 in 3.8461).
If it is 5 or greater, round the second decimal digit up (4 → 5).
If it is less than 5, keep the second decimal digit unchanged.
Step-by-Step Rounding:
Original: 3.8461
Third decimal digit = 6 (≥5), so round the second decimal (4) up to 5.
Result: 3.85
Last verified on 09-02-2026
- -7
- -49
- 49
- None of these
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Explanation
Square of a number = number × itself
Calculation: (-7) × (-7) = 49
Square of a negative number is always positive.
Last verified on 09-02-2026
- 2/3
- √3
- π
- None of these
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Explanation
Rational numbers = numbers that can be expressed as a fraction p/q, where p and q are integers and q ≠ 0.
2/3 is a fraction → rational
Last verified on 09-02-2026
- If you work hard you will get good marks.
- If you worked hard, you will earn marks.
- If you work hard, you will get good marks.
- None of these
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Explanation
- If you work hard you will get good marks.
- This is a first conditional sentence:
- If + present tense, will + base verb → used for real future possibilities.
- Correct structure avoids comma if optional, but meaning remains correct.
Last verified on 09-02-2026
- Complex
- Simple
- Compound complex
- None of these
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Explanation
- Complex sentence = one independent clause + at least one dependent clause.
- Dependent clause: “Although it was raining”
- Independent clause: “we decided to go to the college”
Last verified on 09-02-2026
