Explanation

Urdu serves as a lingua franca, helping unite people across Pakistan's diverse regional languages.

It was chosen to promote national unity.

Urdu was declared Official Language of Pakistan under 251 article of the constitution 1973.

Explanation

15 divided by -3:

15 ÷ (-3) = -5

Explanation

In inverse proportion, when one quantity increases, the other decreases in the same ratio.

Their product remains constant: x × y = constant.

Explanation

Always means ہر وقت یا ہر موقع پر

Never means کسی وقت نہیں

Explanation

Explanation

The correct female form of "landlord" is "landlady", not "landlordess."

Landlady means زمیندارنی

Explanation

Explanation

Chemical equilibrium occurs when the forward and reverse reactions occur at the same rate.

At this point, the concentrations of reactants and products remain constant, not necessarily equal.

Explanation

Cost per bag = $10.32 ÷ 8 = $1.29

For 20 bags: $1.29 × 20 = $25.80

Explanation

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40 → HCF = 8