Pick up the correct statement from the following:

Crushing strength of a good building stone should be more than 

If 25:52::49:? 

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many…

Generally, the unit of measurement for partition wall is 

Maximum working hour for a labour per week should be?. 

Which of the following is not a means of verbal communication? 

In a certain code, MONKEY is written as XDJMNL. How is TIGER written in that code?