Quantitative Aptitude - Arithmetic Ability Questions

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

At what point does the line 3x + 2y = -12 intercept the Y-axis?

If (cotA - cosecA)2 = x, then the value of x is

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.

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?

A tetrahedron has 4 vertices. How many edges does it have?

Find the value of 532+108