Quantitative Aptitude - Arithmetic Ability Questions

How much does one need to add to 2/3 to obtain 3/2?

ABC is a right angled triangle with angle A = 90 deg. Then the value of cos2A+cos2B+cos2C is

What is the value of Cot 45° - (1/√3)Cosec 60°?

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.

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is

Praneet started his journey at 2:45:46 p.m. and reached the destination at 4:55:57 p.m. Anit started the journey 58 mins 40 secs after Praneet and reached his destination 50 mins 29 secs after him. How long did Anit take to complete his journey?