Quantitative Aptitude - Arithmetic Ability Questions

By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?

In a cyclic quadrilateral ABCD ∠BCD=120° and passes through the centre of the circle. Then ∠ABD = ?

If x + (1/x) = 2, then what is the value of x64 + x121?

Solve : 8,23,199.98 × 99.92 = ? × 80,000

If a wholesaler, sells a box of chocolates at Rs 960 he gains 20%. Now if he decides to sell it at Rs 1120, what is his profit percentage?

If x = 1 – y and x2 = 2 – y2, then what is the value of xy?

The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 metres, then what is the distance (in metres) between the two poles?

2 litre of pure alcohol is added to 6 litre, 40% alcohol solution. The percentage of water in the solution is _____ .