Quantitative Aptitude - Arithmetic Ability Questions

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

The volume of a cube is 166.375 cm3. Find its side (in cm).

The value of (2+32-3-342) is

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

What is the value of [(sin 59° cos 31° + cos 59° sin 31° )÷(cos 20° cos 25° – sin 20° sin 25° )]?

What is the value of ( 1/3 + cosec30)?

Select the odd number from the given alternatives.