Quantitative Aptitude - Arithmetic Ability Questions

By what least number should 1200 be multiplied so that it becomes a perfect square?

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?

In which quadrant, will the point (4, -2) be located?

Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?

An angle in a semicircle is

A tent is to be built in the form of a cylinder of radius 5 m surmounted by a cone of the same radius. If the height of the cylindrical part is 6 m and slant height of the conical part is 10 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

Find the odd words/letter/number from the given alternatives:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.