Explanation

• If he works hard, he will pass the examination.
• This is a First Conditional sentence: If + present simple, will + base verb.
• "Will pass" expresses a likely future result if the condition is fulfilled.

Last verified on 28-07-2026

Explanation

• Abbreviation: NHA
• Formation: 1991
• Headquarters: Islamabad, Pakistan
• Official language: Urdu and English
• Ministry: Ministry of Communications
• Role: Construction and maintenance
• Responsible for: National highways and motorways

Last updated 26-07-2026 by NA

Explanation

• EAX is a 32-bit register, meaning it can hold 4 bytes of data
• Its sub-parts:

• AX — the lower 2 bytes (16-bit)
• AH — the upper 1 byte (high byte of AX)
• AL — the lower 1 byte (low byte of AX)

Last updated 24-07-2026 by NA

Explanation

A commercial Polaroid — referring to the polarizing material/filter used in various commercial applications — can be called by any of these names:

• Polarizer — a general term for anything that polarizes light
• Polaroid filter — specifically referencing the Polaroid brand of polarizing filters
• Polarizing filter — a technical term describing the function (a filter that polarizes light)

Last updated 24-07-2026 by NA

Explanation

• For the point $(6,9)$:
• x2+y2=62+92=36+81=117
• Since $117>100$, the point (6,9) lies outside the circle.

Last updated 24-07-2026 by NA

Explanation

• The Law of Cosines is used to find a side or angle of a non-right triangle.
• It relates three sides and one angle of a triangle.
• a,b,c represent the sides of the triangle.
• C is the angle opposite side c.
• It generalizes the Pythagorean theorem for any triangle.

Last updated 24-07-2026 by NA

Explanation

If the determinant $|A|\ne 0$, then $A$ is non-singular (invertible), so the homogeneous system $AX=0$ has only the trivial solution $X=0$.

Last updated 24-07-2026 by NA

Explanation

• Germs are microorganisms that can cause disease.
• When germs enter a wound, they may cause an infection.
• Keeping germs out of wounds helps prevent infection.

Last updated 24-07-2026 by NA

Explanation

• What is up with them?
• ان کے ساتھ کیا مسئلہ ہے؟
• The preposition "with" is used here
• Because it indicates the subject of concern or relation 
•  It connects the state or situation ("what is up") to the person or thing involved ("them").

Last updated 24-07-2026 by NA

Explanation

• R = abc / 4Δ is the formula for the Circumradius of a triangle.
• R = Circumradius
• a, b, c = Lengths of the three sides
• Δ = Area of the triangle

Last updated 24-07-2026 by NA