Quantitative Aptitude - Arithmetic Ability Questions

The square root of 4096 is

Select the option that is different from the remaining three alternatives.

If the in radius of the equilateral triangle is 8 cm then what is the value of circum radius (in cm) of the triangle?

ΔABC is similar to ΔDEF. Length of AB is 12 cm and length of the corresponding side DE is 8 cm. What is the ratio of Perimeter of ΔABC : Perimeter of ΔDEF?

Calculate the value of ∡OBC + ∡BAC, if O is the circum-center of the triangle ABC inscribed in the circle.

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.

0.196 + 1.96 + 19.6 + 196 = ?

Two poles of the height 15 m and 20 m stand vertically upright on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.