A sum of money triples itself in 12 years. Find the rate

Select the most appropriate indirect form of the given sentence. 

I said to my friend, “Please help me arrange these books on the shelf.”

Select the correct indirect form of the given sentence.

You said to me, “I slept well last night.”

My father said to me, "Don't talk to your mother like that."

Sumit said, “I will be leaving for London this summer so I can meet you only when I return.”

Manoj said to his friend, "I am very angry with you."

Select the option that expresses the given sentence in reported speech.

Raghav said to Meera, “Are you upset with me?”

Ram said,"Are you really serious about becoming a pilot, son?"

"Well ,well," He said. "A strange man!"

Select the most appropriate indirect/direct form of the given sentence.

The teacher said, “The class has been scheduled for tomorrow.”

The speeding car knocked down the pedestrian.