Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

Which of the following numbers is completely divisible by 99?

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.

The point equidistant from the sides of a triangle is called

The orthocentre of a triangle is the point where

Length of three line segments isgiven. Is construction of a triangle possible with the segments in the given cases?

What is the age of the eldest sister if, the sum of ages of 5 sisters born at the intervals of 3 years each is 50 years?

R is 80% more efficient than S. If S alone can make a book in 90 days, then R alone can make the book in how many days?