Quantitative Aptitude - Arithmetic Ability Questions

The pair of linear equations 3x + y = 1 and px + 2y = 5 has no finite solution if

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.

Square root of 0.9 is equal to

ΔPQR is right angled at Q. If m∠P = 45°, then find the value of (cosecR + 1/3).

Find the value of  y(y4 - y2 - y) when y = 5.

Find the approximate simple interest on Rs. 2000 from March 9, 2010 to May 21, 2010 at 8.25% per annum.

What is the slope of the line 2x + 3y = 12?

What is the altitude of an equilateral triangle whose side is 12√3 cm?