Quantitative Aptitude - Arithmetic Ability Questions

The third proportional of two numbers 9 and 24 is

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and AE are 8 cm, 4 cm and 12 cm respectively, what is the length of AC?

On decreasing the price of a fan by 40%, its sales increases by 50%. What will be the percentage increase or decrease in its revenue?

If 3n = 2187, then the value of n is:

In the given figure, MNOP is a parallelogram. PM is extended to Z. OZ intersects MN and PN at Y and X respectively. If OX = 27 cm and XY = 18 cm, then what is the length (in cm) of YZ?

ABCD is a rectangle. P is a point on the side AB as shown in the given figure. If Dp = 13, CP = 10

9 women can complete a work in 50 days. If more 6 women were added to them, how many days before the work can be completed?

A missile travels at 1206 km/h. How many metres does it travel in one second?