Quantitative Aptitude - Arithmetic Ability Questions

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is:

ΔUVW is right angled at V. If secU = 5/3, then what is the value of tanW ?

If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?

Find the value of 6732.8 + 673.28 + 67.328 + 6.7328 + 0.67328 ?

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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The volume of a right circular cone, whose radius of the base is same as its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is