Quantitative Aptitude - Arithmetic Ability Questions

If √(1 + cot2A)/cotA = x, then the value of x is

A shopkeeper by selling 23 Lotto shoes, earns a profit equal to the selling price of 7 Lotto shoes. His profit percentage is

The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is

A photographer allows a discount of 10% on the advertised price of a camera. The price (in Rs) that must be marked on the camera, which cost him Rs 600, to make a profit of 20% would be

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ∠RST = 65°, the ∠PTS =

The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be decreased by

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