Questions

Land is considered as an important resource because it is useful in producing many things. For example, in agriculture, land is used for cultivating the crop, in industrial use, it is used for constructing factories and to make products that we use.

India's first Indian Institute of Skills will get in 3 locations viz. Mumbai, Kanpur and Ahmedabad in the country. Ministry of Skill Development and Entrepreneurship has approved the proposal to set up Indian Institute of Skills (IISs) on Not-for-profit Public Private Partnership (N-PPP) basis.

The reason behind these institutes is to promote further growth of the Indian Skills sector overall, new measures have been initiated by the Government of India to establish state of the art training institutions called Indian Institutes of Skill (IISs).

Head Quaters of NATO is located in Brussels

Monopotassium tartarate was used in baking powder.

Chemical weathering is what happens when rocks are broken down and chemically altered.

Chemical weathering is the breakdown of rocks by chemical reactions. Chemical weathering involves changes in the chemical composition of the existing rock to form new rock. Some examples of chemical weathering are hydrolysis, oxidation, carbonation, dissolution, etc.

Ans.  Suppose the speed of boat in still water is x km/h and speed of stream is y km/h

Speedof boat in downstream = (x + y) km/h x+ y = 32 …(i) 

Speed of boat in upstream = (x – y) km/h

x – y = 28 …(ii)

Add. Eqs. (i) and (ii), we get 2x = 60

x = 30 km/h