Let‟s cram a few things#!#Part-2

Rohit, an EVS teacher says few things regarding discussion session among the things told. Which is incorrect?

Identify the segment in the sentence which contains the grammatical error. Deepak said he would pack few things he had and vacate the hostel room the next day (a)Deepak said he would pack (b)and vacate the hostel room (c)pack few things he had (d)the next day

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase. A bone of contention (a)The only part to which two arguing parties agree. (b)An issue over which there is continuing disagreement. (c)A very expensive inherited property. (d)To be happy with only a few things.

Assertion : We are able to move a few parts of our body easily in various directions whereas some parts can be moved in only one direction. Reason : Different types of joints are present in different parts of our body.

The total number of selections of atleast one thing at most r things from (2r+1) different things is 255. Then the value of r is