Questions

What is the range of frequencies of sound waves audible to human beings?

Work done by an object on application of a force would be zero if the displacement of the object is:

Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?

Which of the following metals reacts vigorously with cold water?

Which country is the largest producer of Rice?

From the given alternatives, according to dictionary, which word will come at FIRST position?1. Clause2. Cigar3. Clever4. Cinema5. Client

If the sum of three consecutive numbers is 15, what is the square of the middle number ?

Rajesh walks 2 km to south, then turns north­east, and walks 3 km. Then he turns south and walks 2 kms. Then he turns west and walks 4 kms. Finally, he turns north­west and walks 5 kms. In which direction is he from his starting point?