Quantitative Aptitude - Arithmetic Ability Questions

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

The largest 5 digit number exactly divisible by 84 is:

The circumference of a circle is 110 cm. Find its radius (in cm).

If Cot θ = 21/20, then what is the value of Cosec θ?

If 11+11+11+1x = 58, then what is the value of x?

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

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

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?