Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

What are the co­ordinates of the centroid of a triangle, whose vertices are A(­2,­5), B(4,­4) and C(7,3)?

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

What is the third proportional to 10 and 25?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.