Quantitative Aptitude - Arithmetic Ability Questions

If A = 30°, B = 60° and C = 135°, then what is the value of sin3A + cos3B + tan3C – 3sin A cos B tan C?

Select the odd word from the given alternatives.

A box weighs 8.5 kg when full of sand and weighs 5.5 kg when it is half filled with sand . Weight of the empty box is

If (1/x) + (1/y) + (1/z) = 0 and x + y + z = 9, then what is the value of x3 + y3 + z3 – 3xyz?

If x = 6+26, then what is the value of x-1 + 1x-1 ?

Ticket for an adult is Rs 1500 and a child is Rs 800. 1 child goes free with two adults. If a group has 25 adults and 12 children what is the discount the group gets?

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

For x = 462+3, what is the value of x+22x-22+x+23x-23