Quantitative Aptitude - Arithmetic Ability Questions

Which among the following is true for the given numbers?

If O is the centre of a circle of radius 5 cm. At a distance of 13 cm from O, a point P is taken. From this point, two tangents PQ and PR are drawn to the circle. Then , the area of quadrilateral PQOR is

If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S? 

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

In the following question, select the odd word pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

What is the HCF (highest common factor) of 77 and 275?