Quantitative Aptitude - Arithmetic Ability Questions

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

If y = √3 - √2, then find the value of 1y3 - y3.

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 .

Find out the odd word/letters/number/number pair from the given alternatives.

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

Δ XYZ is right angled at Y. If m∠Z = 60°, what is the length of YZ (in cm), if ZX = 3√3 cm?

If θ is acute angle and sin(θ+18°)= 1/2, then the value of θ in circular measure is

A man buys 7 shirts at Rs 300 each, 2 trousers at Rs 450 each and 1 pair of shoes at Rs 500 each. What is the average expenditure (in Rs) per article?