Explanation

Arid regions are dry areas with little rainfall.

In Pakistan, Thal Desert and Cholistan Desert are examples of such arid regions.

Explanation

The phrase "very high in price" means something costs a lot, i.e., expensive.

"Expensive" is the correct and concise word to replace the phrase.

Very high in price means کسی چیز کی بہت لاگت آتی ہے

Expensive means مہنگا

Explanation

In indirect speech, the subject comes before the verb, so "where I was" is correct.

The sentence structure follows standard reported speech rules.

Explanation

B - A represents the set of elements that are in B but not in A.

The correct notation is: {x | x ∈ B and x ∉ A}

Explanation

We want the least number of stickers that can be equally divided among 4, 10, and 16 children.

This means we want the Least Common Multiple (LCM) of 4, 10, and 16.

The prime factorizations are:

4 = 2²

10 = 2 × 5

16 = 2⁴

The LCM is the product of the highest powers of all prime factors:

LCM = 2⁴ × 5 = 16 × 5 = 80

Explanation

To find the marks obtained, multiply the fraction by the total marks:

Marks obtained = 3/5 × 100

= 3 × 20

= 60

Explanation

To convert degrees to radians:

  Radians = Degrees × (π / 180)

  45 × (π / 180) = π/4

Explanation

The perimeter of a triangle is the sum of the lengths of its sides.

Perimeter = side1 + side2 + side3

Perimeter = 4 cm + 4 cm + 5 cm

Perimeter = 13 cm

Explanation

The comma is placed after "No" to separate the interjection from the rest of the sentence.

This correctly follows the rule of placing commas after introductory words or interjections.

Explanation

Discount = Marked Price - Selling Price = 150 - 120 = 30

Discount Percentage = (30 / 150) × 100 = 20%