Questions

In which of the following region midnight Sun is visible?

In computer science, data hazard occurs when

The Android operating system is the embedded version of ________.

A sound of single frequency is called a

What is called the hot dry local winds blowing in the northern part of Alps mountain?

For the aquatic organisms, the source of food is

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,
choose the correct alternative and click the button corresponding to it.
I have been _____ this problem since noon.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

My brother said, "I can climb this hill in less than an hour."