Quantitative Aptitude - Arithmetic Ability Questions

Anil can do a piece of work in 14 days which Rohit can do in 21 days. They worked together for few days after which Anil left. If Rohit worked alone for 3 days, find the total number of days it took to complete the whole work.

From an external point two tangents to a circle are drawn. The chord passing through the points of contact subtends an angle72° at the centre. The angle between the tangents is?

If a+1a=2 then the vealue of a5+1a5 will be

The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teachers in the school now is (in years)

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

Two cyclists P and Q cycle at 20 km/hr and 16 km/hr towards each other respectively. What was the distance (in kms) between them when they started if they met after 40 minutes?

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

The solution set of 4x -­ 3y = 10 and 3x + y = 14 is