Quantitative Aptitude - Arithmetic Ability Questions

The average age of a batch of 19 members is 24 years. If the age of the faculty be included, then the average increases by 4 months. What is the age of the faculty?

(0.2 x 0.2 x 0.2)(0.06 x 0.06 x 0.06) / (0.12 x 0.12 x 0.12) = ?

If the length of the shadow of a vertical pole on the horizontal ground is √3 times its height, then the angle of elevation

The orthocentre of a triangle is the point where

ΔPQR is right angled at Q. If m∠R = 60o, then find the value of (secP - 1/√3) 

The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?

The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.

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