Quantitative Aptitude - Arithmetic Ability Questions

A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in

What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(4, 0) and C(-2, 2)?

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

In a farm, in addition to 48 hens there are 42 sheep and 11 oxen with some shepherds. If the total number of feet be 224 more than the number of heads, find the number of shepherd.

The orthocentre of an obtuse­angled triangle lies

Two labourers A and B are paid a total of Rs 650 per day. If A is paid 160 percent of what is paid to B, how much (in Rs) is B paid?

If a sum of money deposited in a bank at simple interest is doubled in 6 years, then after 12 years, the amount will be

If cot(A/2) = x, then the value of x is