Quantitative Aptitude - Arithmetic Ability Questions

In a circle, two arcs of unequal length subtend angles in the ratio 5:3. If the smaller angle is 45° then the measure of other angle in degrees.

Sum of two numbers is thrice their difference. Their ratio is

Find the area (in cm2) of a semi-circle of radius 28 cm.

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

The sum of two angles of a triangle is 116o and their difference is 24o . The measure of smallest angle of the triangle is

A 145 m long train crosses a 655 m long bridge in 36 seconds. What is the speed of the train?

Arun and Amit can do a piece of work in 9 days and 12 days respectively. If they work for alternate days and Amit starts the work first, then in how many days 35/36 parts of whole work will be completed?