Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 2sec2A?

The perimeter of a triangle is 28 cm. If the length is 5/2 times its breadth, find the length and breadth of the triangle.

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 ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

If sec2A cosec2A = x, then x is

Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

In the following question, select the related number from the given alternatives.
 
47 : 57 : : 93 : ?