Area, Population and Official Languages MCQs with Answers & Explanations

Trapezoidal section is best because its sloped sides and wide base handle large runoff and stable side slopes in hilly, heavy-rain areas.

50 is the permissible limit of nitrogen dioxide in a residential area, set to protect public health by keeping concentrations below levels that cause respiratory irritation.

Radius is 4 ft, so area = πr² = π×4² ≈ 50.24 ft², which matches the correct answer 50.24 ft².

50 - when calculating floor area, typically fifty percent of the balcony area is included toward the total floor area.

Sq m (square meter) is used because distempering and dressing are measured as painted surface area in square meters.

Duty is the area of land that can be cultivated with a given volume of water, defining water-use capacity per unit supply.

Break water is the artificial barrier that makes an enclosed area safe for anchorage by protecting it from waves and creating calm water for ships.

The population rose from 175,000 to 262,500, a total increase of 50% over ten years, so the average increase per year is 50% ÷ 10 = 5%.

The total area of Pakistan is 881,913 km².

Watt per square meter (W/m²) - sound intensity is defined as the acoustic power transmitted per unit area, so its SI unit is W/m².

Euro is the official currency of Germany, making Euro the correct answer.

KPK (Khyber Pakhtunkhwa) is the smallest province of Pakistan by area, having less land area than the other provinces.

Wafa is the official news agency of Palestine, so option D is correct.

Iranian rial - the Iranian rial is the official currency of Iran, so this option is correct.

PUC in Secretariat stands for Paper Under Consideration, indicating a document currently being reviewed by officials.

In official communication, DO stands for 'Demi official', making Demi official the correct expansion.

Aptitude Test: aptitude tests measure potential and are designed to predict a person's future performance in specific areas.

Individuals: a norm-referenced test compares an individual's performance to the performance of other individuals in a norm group.

Ribbon: The Ribbon is the graphical area in Microsoft Office that organizes commands into tabs and groups so users can quickly find tools and commands.

Elaborated codes describe language that spells out meanings and motivations in a detailed, explicit way, so this term fits languages with sophisticated expression of meaning and motivation.