Explanation

Divide 4 ÷ 18 = 0.222..., which is a recurring decimal.

It can also be written as 0.overline{2} indicating the digit 2 repeats.

Explanation

Mortuary means مردہ خانہ

Morgue means مردہ خانہ

Explanation

The principal’s leadership is essential for guiding staff in continuously evaluating and improving the educational programme.

Effective leadership ensures coordination, direction, and motivation in achieving school goals.

Explanation

In a solid metal conductor, electric current is due to the flow of free electrons.

Electrons are negatively charged particles that move through the metal to create current.

Explanation

Explanation

Let's find the cloth required per dress:

20 meters / 4 dresses = 5 meters/dress

For 15 dresses:

15 dresses × 5 meters/dress = 75 meters

Explanation

Guaranteed means یقین دہانی یا یقینی

Assured means یقین دہانی یا یقینی

Explanation

It directly reflects the effectiveness of teaching and the overall academic quality of the school.

High student achievement indicates successful learning outcomes, which is the main goal of education.

Explanation

When calcium carbonate (CaCO₃) reacts with dilute hydrochloric acid (HCl), it produces carbon dioxide (CO₂) gas.

The reaction is:

CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O

Explanation

Let's directly calculate:

x - y = 5

x² - y² = 65

(x + y)(x - y) = 65

(x + y)(5) = 65

x + y = 13

Solving these equations:

x - y = 5

x + y = 13

Adding both: 2x = 18

x = 9

y = 4

Let's check:

9 - 4 = 5

9² - 4² = 81 - 16 = 65