Select the odd letters from the given alternatives.
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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.