Quantitative Aptitude - Arithmetic Ability Questions

If a website is selling smartphone at Rs 18,000 which is marked at Rs 25,000, then what is the discount (in %) at which the smartphone is being sold?

­ If the selling price of an item is Rs 1150 after getting a discount of 8%, what is its marked price?

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?

For triangle ABC, find equation of median AD if co­-ordinates of points A, B and C are (2,­4), (3,0) and (5,­2) respectively?

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

In a cricket match, the scores of the players are considered such that coefficient of variation of scores is 16 and mean is 25 then the variance is

An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is