Explanation

A volleyball court is 18 meters long, divided equally into front (attack) and back (defensive) zones.

So, the back area measures 6 meters in length from the attack line to the end line.

Explanation

A Test match is the longest format in cricket.

It is usually played over five days.

Each team gets two innings, allowing time for strategy, endurance, and full play.

Explanation

A hurdle race involves sprinting while jumping over a series of barriers (hurdles) placed at fixed intervals.

It tests both speed and agility, common distances include 100m, 110m, and 400m hurdles.

Explanation

Follow-on is a rule applied only in Test matches when a team trails significantly after the first innings.

It allows the leading team to make the trailing team bat again immediately.

Explanation

Knees and ankles are the main joints used for kicking and propulsion during swimming.

They provide flexibility and power for strokes like freestyle, backstroke, and butterfly.

Explanation

Shortwave radio operates in the high frequency (HF) band, typically between 3 MHz and 30 MHz.

The range 5.9 MHz to 26.1 MHz is commonly used for long-distance communication like international broadcasting.

Explanation

Fiber optics uses light to transmit data at high speeds through thin glass or plastic fibers.

It is mainly used in communication networks like internet, telephone, and cable TV.

Explanation

Interphase is the resting phase where the cell grows, performs normal functions, and prepares for the next division.

It includes three stages: G₁ (growth), S (DNA replication), and G₂ (preparation for mitosis).

Explanation

A proper fraction is a fraction where the numerator is less than the denominator.

In 5/8, 5 < 8, so it is a proper fraction.

Explanation

Given the total number of schools is 85:

Step 1: Calculate the number of schools completed.

Number of schools completed = 3/5 × 85

= 3 × 17

= 51