Explanation

To find out what fraction of the whole pizza Madeeha got:

Nida had 3/12 of the pizza and gave 1/8 of that to Madeeha.

First, simplify 3/12 to 1/4.

Madeeha got 1/8 of 1/4:

(1/8) × (1/4) = 1/32

Madeeha got 1/32 of the whole pizza.

Explanation

Pronoun-antecedent agreement means the pronoun must agree in number and gender with its antecedent.

In this case, "boys" is plural, so the correct pronoun is "their," making the sentence grammatically correct.

Explanation

Sputnik-1, launched by the Soviet Union in 1957, was the first artificial satellite to orbit the Earth.

It marked the beginning of the space age and the start of space exploration.

Explanation

When air heats up, it becomes lighter and rises, causing lower air pressure in that area.

Cooler air is denser and exerts more pressure, while rising warm air reduces surface pressure.

Explanation

"Even so" is used to introduce a contrasting statement or to show that the following idea still holds despite the previous one.

It fits here to imply that although the statement is accurate, further analysis is still required.

Explanation

Let's denote Hassan's age as H and Nida's age as N.

Given:

1. H + 3N = 30

2. N = H/6

Substitute N = H/6 into the first equation:

H + 3(H/6) = 30

H + H/2 = 30

Multiply both sides by 2 to eliminate the fraction:

2H + H = 60

3H = 60

H = 20

Explanation

Length of the frame = 12 cm
Width of the frame = 8 cm

Perimeter of a rectangle = 2 × (length + width)

So, the perimeter $P$ is:
$P = 2 times (12 text{ cm} + 8 text{ cm})$
$P=2\times 20\text{ cm}$
$P = 40 text{ cm}$

Now, convert the perimeter from centimeters to meters (since the cost of ribbon is given per meter):
$\text{Perimeter in meters}<font\; color="\#0000ff">=</font>\frac{}{}$40 cm100text{Perimeter in meters} = frac{40 text{ cm}}{100}
$text{Perimeter in meters} = 0.4 text{ m}$

Next, calculate the total cost of the ribbon:
Cost of 1 meter of ribbon = Rs 5

Total cost of ribbon = Cost per meter × Length in meters
$text{Total cost} = 5 times 0.4$
$\text{Total cost}=Rs2$

Therefore, the total cost of the ribbon Nadia needs is Rs 20.

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Explanation

The Latin word "fevere" means "to boil", referring to the bubbling appearance during fermentation.

This bubbling is due to the release of gases like carbon dioxide during the process.

Explanation

Ancient Egypt was ruled by Pharaohs, who held absolute power and were considered both kings and gods.

This form of governance is classified as a monarchy, often hereditary in nature.

Explanation

Psychologists, particularly Sigmund Freud, conceptualized human personality in terms of Id, Ego, and Superego.

Conscience is a component of the Superego, not a separate aspect of personality on its own.