The Book "Wealth of Nations" written

Select the number from among the given options that can replace the question mark (?) in the following series.

5, 20, 80, 320, 1280,?

Select the Venn diagram that best represents the relationship between the following classes.

Rivers, Ganga, Water bodies

LO15 is related to OR30 in a certain way. In the same way, SV25 is related to VY50. To which of the following is TW35 related, following the same logic?

Observe the following diagram carefully and find out the particular portion which represents for those women who are employed but not married.

If 1st January 2017 was a Thursday, then what day of the week was it on 31^st March of that year?

Select the option figure in which the given figure (X) is embedded as its part (rotation is NOT allowed).

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

Change the question mark with the option that follows the applied logic in the first pair.

Tea : Drink :: Vegetable: ??