Exams

The number of sides of a regular polygon whose exterior angles are each 40 deg is

The credit for classifying the elements on the basis of their atomic masses goes to

Which of the following compounds has a double bond?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

______ a wrench she unscrewed the bolts.

Which of the following is the currency of Thailand?

The science fiction book 'The Extra-Terrestrial Delivery' is penned by which Indian author?

Some girls can do a piece of work in 18 days. In how much time (in days) two times the number of such girls will complete thrice of the work?

Which of the following pairs is not correctly matched?