Explanation

Cotton is known as the "Silver Fibre" of Pakistan due to its economic importance and export value.

It plays a key role in Pakistan’s textile industry, the backbone of the country's economy.

Explanation

The word "Please" indicates a request, so the reporting verb becomes "requested".

The verb tense and pronouns are correctly changed in indirect speech.

Explanation

Snails are mollusks, belonging to the phylum Mollusca.

They typically have a soft body and, in many cases, an external shell.

Explanation

Ajrak is a traditional block-printed shawl and symbol of Sindhi culture.

It is commonly worn during cultural events and gifted as a sign of respect in Sindh province.

There are 22 processes in Ajrak printing and is very tedious and time consuming. 

Explanation

His tattered coat needs mending means اس کے پھٹے ہوئے کوٹ کو ٹھیک کرنے کی ضرورت ہے

"Tattered" is the correct adjective meaning torn or worn out.

The sentence needs an adjective to describe the condition of the coat — hence, "tattered coat" fits best.

Explanation

Foundations of curriculum include philosophical, psychological, social, and historical factors that influence how a curriculum is developed.

They provide the base upon which curriculum decisions are made.

Explanation

Let's denote the present age of A as 3x and B as 4x.

Step 1: Express their ages 10 years ago

A's age 10 years ago = 3x - 10

B's age 10 years ago = 4x - 10

Step 2: Formulate the equation based on the given information

A was half of B's age 10 years ago:

3x - 10 = 1/2 * (4x - 10)

Step 3: Solve the equation

3x - 10 = 2x - 5

3x - 2x = -5 + 10

x = 5

Step 4: Find their present ages

A's age = 3x = 3 * 5 = 15

B's age = 4x = 4 * 5 = 20

Step 5: Calculate the total of their present ages

Total age = 15 + 20 = 35

Explanation

36 is a composite number as it has factors other than 1 and itself.

Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.

Explanation

The standard deviation of a binomial distribution is indeed √npq, where:

• n is the number of trials
• p is the probability of success
• q is the probability of failure (q = 1 - p)

The formula for the standard deviation of a binomial distribution is:

σ = √npq

This represents the spread or dispersion of the distribution.

Explanation

کنایہ کے لغوی معنی ہیں ڈھکی چھپی یا پوشیدہ بات۔

ادبی اصطلاح میں ایسی بات جو براہِ راست نہ کہی جائے بلکہ اشارے یا علامت سے سمجھائی جائے، کنایہ کہلاتی ہے۔