Quantitative Aptitude - Arithmetic Ability Questions

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

The slopes of two lines are 1 and √3. What is the angle between these two lines?

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔADE is 4 sq cm, what is the area (in sq cm) of quadrilateral BDEC.

Select the odd letters from the given alternatives.

The cash difference between the selling price of an article at a profit of 4% and 6% is Rs. 3. The ratio of two selling prices is:

At an average of 80 km/hr Shatabdi Express reaches Ranchi from Kolkata in 7 hrs. Then the distance between Kolkata and Ranchi is

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?

The value of tan80° tan10° + sin270° + sin20∘