Quantitative Aptitude - Arithmetic Ability Questions

Identified the odd one from the list below.

Given w = -2, x = 3, y = 0 & z = -1/2. Find the value of (z/w) + x.

If angles M and N measure 60 deg and 30 deg respectively, (sinM) x (cotN) = ?

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.

If DE is parallel to BC and bisects the other two sides of the triangle ABC such that the ratio AD/DB = 5/13 and the length of the part EC is 26 cm. Then determine the length of AE (in cm).

Find the total Simple Interest on Rs. 500 at 7% per annum, on Rs. 700 at 10% per annum and on Rs. 1000 at 4% per annum for 3 years.

The length of the diagonal and the breadth of a rectangle are 29 cm and 20 cm respectively. Find its perimeter (in cm).

The sum of numbers from 1 to 100 (inclusive of both) is