What Percentage of Aluminum is Present in Earth's Crust?

With reference to the passage, the following assumptions have been made

I. The dogs protect their owners

II. The dogs fear the strangers

Did you receive my letter?

Select the option that expresses the given sentence in active voice.

By how many people were you helped in your time of difficulty? 

How many languages are spoken in India?

In the sentence, "Despite his hard work, he failed the exam," what is the function of the word "Despite"?

Choose the option that is the passive form of the sentence.

I burnt my hand yesterday while cooking.

Select the correct passive form of the given sentence.

Why do we have to do the house chores during this lockdown period?

Choose the option that is the passive form of the sentence.

The security guard opened the gate using his pass.

Select the correct passive form of the given sentence.

She is cooking up stories so that she can escape punishment.