Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives.

Sin6A + Cos6A - 1 is equal to

The point of intersection of all the angle bisector of a triangle is ______ of the triangle.

The cash difference between the selling price of an article at a profit of 2% and 16% is Rs.3. The ratio of two selling prices is

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?