Quantitative Aptitude - Arithmetic Ability Questions

Let A(O,-1), B(0,3) and C(2,1) be three points. Let   △1 be the area of the triangle ABC and △2 be the area of the triangle formed by the mid points of the sides of the triangle whose vertices are A, B and C such that △1=1 ,△2=x Find the value of x .

Marked price of an article is Rs 3600 and selling price is Rs 3132. What is the discount percentage?

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold

In the given figure,PQ = PS = SR and QPS = 40 deg, then what is the value of QPR (in deg) ?

Chords PQ and RS of a circle extended externally intersect at point T. Length of the segment PT, if lengths of QT, RT and ST are 9 cm, 18 cm and 6 cm respectively, is

P, Q and R alone can complete a work in 12, 15 and 20 days respectively. In how many days will they together complete the same work?

If 70% of total articles are sold at a profit of 20% and remaining articles are sold at a loss of 20%, then what will be the overall profit percentage?

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?