Quantitative Aptitude - Arithmetic Ability Questions

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

What is the value of cosecA/√(cosec2A ­- 1)?

ΔABC is right angled at B. If m∠A = 45 deg, then find the value of (tanC + √3/2).

A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?

The age of Dr. Pandey is four times the age of his son. After 10 years , the age of Dr. Pandey will be twice the age of his son . The present age of Dr. Pandey's son is

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?