Quantitative Aptitude - Arithmetic Ability Questions

In a triangle ABC, AD is angle bisector of ∠A and AB : AC = 3 : 4. If the area of triangle ABC is 350 cm2, then what is the area (in cm2) of triangle ABD?

The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

The Simple Interest(SI) for 16 years on an amount at particular rate is Rs 10000. If the principal is doubled at an interval of every 4 years and the rate is tripled at every such in terval, find the new Simple Interest(SI)

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).

The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is

If 7 + 3x ≥ 5 ­- x/2 and 2x + 3 ≤ 5 -­ 2x; then x can take which of the following values?