Explanation

The surface area of a cuboid is given by:

2(lb + bh + hl)

Where l = 12cm, b = 8cm, h = 6cm

Surface area = 2(12_8 + 8_6 + 6*12)

= 2(96 + 48 + 72)

= 2(216)

= 432cm²

Explanation

The auditory nerve (also called the cochlear nerve) transmits sound signals from the ear to the brain.

It plays a direct role in the sense of hearing.

Explanation

Dogs can hear a much wider range of frequencies than humans, typically from 50 Hz to 46,000 Hz.

Humans can generally hear sounds from 20 Hz to 20,000 Hz.

Explanation

Given:

P(x) = x^2 - 4x + 3

One root is 1. Let's find the other root.

The sum of roots = -(-4) = 4 (from the coefficient of x)

One root is 1, so the other root would be:

4 - 1 = 3

Explanation

حب الورید کا لفظی معنی شہ رگ ہے، جو جسم میں اہم ترین رگ ہوتی ہے۔

یہ اصطلاح عموماً کسی چیز یا شخص کے انتہائی قریب ہونے کو ظاہر کرنے کے لیے استعمال کی جاتی ہے۔

Explanation

Schools and teachers are considered the primary educators as they provide foundational knowledge and skills to children.

They play a crucial role in shaping the intellectual, social, and emotional development of the child.

Explanation

Isobars are atoms of different elements that have the same mass number but different atomic numbers.

Example: Argon-40 and Calcium-40 both have mass number 40 but different atomic numbers.

Explanation

"Who did impressive speech on Pakistan day" describes the noun "Sajid," making it an adjective clause.

It modifies and provides more information about the subject "Sajid."

Explanation

چین بہ جبیں ہونا کا مطلب ہے پیشانی پر بل پڑنا یا غصہ ظاہر ہونا۔

یہ محاورہ کسی کی ناراضگی یا ناگواری ظاہر کرنے کے لیے استعمال ہوتا ہے۔

Explanation

The number of subsets of a set with n elements is 2^n.

Here, A = {a, b, c} has 3 elements, so:

Number of subsets = 2^3

= 8

The subsets are:

{}, {a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c}