Explanation

Given the proportion:

6 : x :: 9 : 12

We can write it as:

6/x = 9/12

Cross-multiplying:

6 × 12 = 9 × x

72 = 9x

x = 72/9

x = 8

Explanation

The given equation (a + b) + c = a + (b + c) is the standard form of the Associative Property of Addition.

It states that the grouping of numbers in an addition operation does not change the sum.

Explanation

Fertilization in frogs involves the fusion of male and female gametes — a clear example of sexual reproduction.

The budding, fission, vegetative propagation are all forms of asexual reproduction.

Explanation

The associative property of the union states that:

A ∪ (B ∪ C) = (A ∪ B) ∪ C

This means that the order in which we perform the union operation does not change the result.

Explanation

A cyclic quadrilateral is a four-sided figure where all vertices lie on the circumference of a single circle.

Key property: Opposite angles sum to 180°.

Explanation

Away means ایک فاصلے پر یا دور

Distant means جگہ یا وقت میں علیحدگی

Explanation

Console means کسی کو تکلیف یا غم میں تسلی دینا

Comfort means ہمدردی اور مدد کی پیش کش کرنا

Explanation

To solve (+8) ÷ (-2):

(+8) ÷ (-2) = -4

When dividing a positive number by a negative number, the result is negative.

Explanation

Liquids have smaller intermolecular spaces compared to gases, allowing particles to be more tightly packed.

This closeness results in a higher density in liquids than in gases.

Explanation

He asked if I was going.

This is an indirect question, so it ends with a full stop, not a question mark or colon.

No comma is needed after "asked" in indirect speech.