Explanation

Explanation

My friend greeted me and asked me what I was doing there.

The direct speech is turned into indirect by converting "are you" to "I was".

"Hello" becomes "greeted me", and the question is properly structured using asked me what I was doing there.

Explanation

The teacher told the student that he was a very hopeless fellow.

In indirect speech, "you are" changes to "he was" when referring to the student.

The sentence structure also changes to a statement with "that" for reported speech.

Explanation

Instinct is a natural, inborn behavior that animals perform without prior learning or conscious thought.

It is often triggered by specific stimuli.

It is automatic and consistent across a species.

Explanation

Rest and motion are considered relative because they depend on the observer’s frame of reference.

An object may appear to be at rest in one frame and in motion in another.

Explanation

The sentence expresses a future action dependent on a condition, so "shall lend" fits.

"Shall" is used with first person (I/we) for offers or promises.

Explanation

Lungs are vital organs in the respiratory system that help in gas exchange—taking in oxygen and releasing carbon dioxide.

They work closely with the circulatory system to supply oxygenated blood to the body.

Explanation

Mr. Ali asked his son Rani whether he had finished his lesson.

The sentence is a yes/no question, so "asked... whether" is correct.

"Have you finished" changes to "he had finished" in indirect speech.

Explanation

Luxembourg has the highest per capita income globally, according to recent IMF and World Bank data.

Among Muslim-majority countries, Qatar has the highest per capita income.

Explanation

Total students = 200

Soccer players = 120

Cricket players = 100

Students playing both games = (Soccer + Cricket) - Total

= (120 + 100) - 200

= 20

Students playing cricket but not soccer = Cricket - Both

= 100 - 20

= 80

Percentage = (80 / 200) * 100

= 40%