Quantitative Aptitude - Arithmetic Ability Questions

S does half as much work as T in 1/7 of the time taken by T. If together they take 21 days to complete a work, then how may days shall S take to complete that work alone?

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the value of (a + c)/b?

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

If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to

If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?

Reduce 3596 / 4292 to lowest terms.

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?