Quantitative Aptitude - Arithmetic Ability Questions

In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is

A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?

Two trains, one 150 m long and the other 130m long, coming from opposite directions crosssed each other in 7.2 seconds. The sum of speed of the two trains every hour would then be

The selling price of an item inclusive of a 10% profit was Rs.440. What would be the percentage loss if the item was sold for Rs. 370?

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.

A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is