Explanation

The set-builder form A = {x | x ∈ ℤ ∧ x² = 25} means x is an integer whose square is 25.

The integers satisfying this are x = -5 and x = 5, so A = {-5, 5}.

Explanation

Natural numbers are counting numbers starting from 1, 2, 3, 4...

Explanation

5/2 is a real number (a rational number), as it can be written as a finite decimal (2.5).

Explanation

A number is divisible by 4 if the last two digits form a number divisible by 4 — here, 48 ÷ 4 = 12.

92,348 ÷ 4 = 23,087 (no remainder), confirming exact divisibility.

Explanation

We find ancient historical sites across the four provinces of Pakistan.

"Across" is used to show something is spread throughout multiple areas or regions.

It correctly implies that historical sites are distributed in all provinces.

Explanation

The correct verb form after "can" is the base form — it should be "walk", not "walked".

Correct sentence: "How can you walk long distances when you are unwell?"

Explanation

To find the decimal equivalent of the binary number 1011:

(1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰)

= (1 × 8) + (0 × 4) + (1 × 2) + (1 × 1)

= 8 + 0 + 2 + 1

= 11

Explanation

Explanation

Early means ابتدائی

Initial means ابتدائی

Explanation

Climb means اوپر جانے کے لئے

Fall means نیچے جانے کے لئے