Explanation

Smallest 3-digit number is 100; smallest 2-digit number is 10.

Their product is 100 × 10 = 1000.

Explanation

"Antihealthy" is not a correct word.

The proper term is "unhealthy."

So the sentence should be "An unhealthy person often falls sick."

Explanation

When comparing two actions (you go vs. you reach), use comparative form: "faster" not "fastest".

"Fastest" is superlative and used when comparing more than two.

Explanation

On the number line, Point X is clearly positioned at -4, which is four units left of 0.

Explanation

Optimism means امید پرستی

Explanation

Tycoons means بُہَت بَڑا تاجَر

Explanation

Given:

(x + 5) : (x + 7) = 5 : 7

We can write it as:

(x + 5) / (x + 7) = 5/7

Cross-multiplying:

7(x + 5) = 5(x + 7)

7x + 35 = 5x + 35

7x - 5x = 35 - 35

2x = 0

x = 0

Explanation

Cache memory is the fastest type of memory, located close to the CPU.

It stores frequently used data to maximize processing speed and performance.

Explanation

Equal sets must have exactly the same elements.

Same number but different elements means they are not equal → A ≠ B.

Explanation

A systematic error occurs due to flaws in the measuring instrument or method, causing consistent deviation.

It can be corrected by calibration or proper maintenance of equipment.