STS 05 to 15 Matriculation Screening Test Past Paper Year 2025

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STS 05 to 15 Matriculation Screening Test Past Paper Year 2025

Q321: In an irregular reflection, the light rays reflect at _______?

ایک فاسد عکاسی میں ، ہلکی کرنیں _______ پر عکاسی کرتی ہیں؟

Always 90 degrees

Different angles

Some at the same angles, some at different angles

None of these

Explanation

In irregular (diffused) reflection, light rays hit a rough surface.

This causes them to reflect in different directions and angles.

Q322: Choose the sentence with the correct use of a preposition: In Islamabad, it often snows at January., In Islamabad, it often snows in January., In Islamabad, it often snows on January., In Islamabad, it often snows of January.

In Islamabad, it often snows at January.

In Islamabad, it often snows in January.

In Islamabad, it often snows on January.

In Islamabad, it often snows of January.

Explanation

The preposition "in" is used for months, years, and long periods.

Therefore, "in January" is the correct usage.

Q323: Choose the correct spelt word: Parallyzed, Paralyzed, Peralysed, None of these

Parallyzed

Paralyzed

Peralysed

None of these

Explanation

Paralyzed means مفلوج

Q324: Select the correctly spelled word: Transcraibe, Transecribe, Transcribe, None of these

Transcraibe

Transecribe

Transcribe

None of these

Explanation

Transcribe means نقل

Q325: Select the correctly spelled word: Legitimate, Lagitimate, Legitimete, None of these

Legitimate

Lagitimate

Legitimete

None of these

Explanation

Legitimate means جائز

Q326: 16025 divided by 1000, the remainder would be ______?

None of these

Explanation

When 16025 ÷ 1000, the quotient is 16 and the remainder is 25.

Because 1000 × 16 = 16000, and 16025 − 16000 = 25.

Q327: All of the following are bad conductors of heat except?

مندرجہ ذیل میں سے سبھی گرمی کے برا کنڈکٹر ہیں سوائے اس کے کہ؟

Copper

Wood

Plastic

Glass

Explanation

Copper is a good conductor of heat.

That's why it’s used in cooking utensils and electrical wiring.

Wood, plastic, and glass are poor conductors (insulators), meaning they do not transfer heat easily.

Q328: The length of the window is thrice its width. Find the length of the window when its area is 18.75 sqm?

7.75

7.5

None of these

Explanation

Let's denote the width as w and the length as 3w (since the length is thrice the width).

The area of the window is:

w × 3w = 3w²

Given area = 18.75 sqm

3w² = 18.75

w² = 18.75 / 3

w² = 6.25

w = √6.25

w = 2.5

Length = 3w

= 3 × 2.5

= 7.5

Q329: The LCM of 3 and 4 is?

None of these

Explanation

The Least Common Multiple (LCM) of 3 and 4 is 12, the smallest number divisible by both.

Multiples of 3: 3, 6, 9, 12...

Multiples of 4: 4, 8, 12...

Q330: The decimal representation of 1/3 is?

0.333

0.50

0.30

None of these

Explanation

The fraction 1/3 equals 0.333... (repeating 3).

2. It is a non-terminating repeating decimal.

«1...31 32 33 34 35...84 »

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