If A @ B means ‘A is the mother of B’, A # B means ‘A is the brother of B’, A * B means ‘A is the sister of B’, A % B means ‘A is the father of B’, then which of the following indicates the relationship R is the grandmother of Q?

Study the following information carefully and answer the questions given below:

P, Q, R, S, T, V and W are seven students of a school. Each of the studies in different standards from Standard IV to Standard X not necessarily in the same order. Each of them has favorite subject is English, Science, History, Geography, Mathematics, Hindi and Sanskrit not necessarily in the same order. Q studies in VII Standard and does not like either Mathematics or Geography. R likes English and does not study either in V or IX. T studies in VIII Standard and likes Hindi. The one who likes Science studies in X Standard. S studies in IV Standard. W likes Sanskrit. P does not study in X Standard. The one who likes Geography-studies in V Standard.

In which standard does W study? 

In Rajasthan, the name of 'Chief Minister Shubh Laxmi Yojana' has been changed to which of the following?

The Agriculture done by the Bhils in the hilly area in Rajasthan is called -

Which command can be used to recreate the disk tracks? 

The state called Jam Stone Industrial Park-

Who developed the Human Development Index?