A class of boys stands in a single line, one boy is 19th in order from both the ends, How many boys are there in the cla…

How many types of leave are provided under the Civil Service Act? 

The lateral earth pressure on a retaining wall. 

Who is the inventor of the helicopter? 

What should not be considered to expand foreign trade? 

Choose the set of figures which follows the given rule.Rule: Closed figures become more and more open and open figu…

If 25:52::49:? 

Who are the exponents of theories X and Y regarding motivation?