Quantitative Aptitude - Arithmetic Ability Questions

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

What is the quotient when 7251 is divided by 66?

What is the HCF (highest common factor) of 77 and 275?

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

Select the odd word/letters/number/number pair from the given alternatives.

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

Convert binary 10110 to decimal.

If O is the centre of a circle of radius 5 cm. At a distance of 13 cm from O, a point P is taken. From this point, two tangents PQ and PR are drawn to the circle. Then , the area of quadrilateral PQOR is