Quantitative Aptitude - Arithmetic Ability Questions

The order of rotational symmetry of a rectangle is

The two lines 4x+3y=0 and 7x+5y=0 will ______ in their graphical representation.

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?

The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?