Quantitative Aptitude - Arithmetic Ability Questions

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is

Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?

In ∆XYZ measure of angle Y is 90 deg. If sinX = 4/5, and XY = 6cm, then what is the length (in cm) of side YZ?

Number of composite numbers lying between 67 and 101 is

The largest 5 digit number exactly divisible by 89 is:

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?

If xy = -18 and x2+ y2= 85, then find the value of (x + y).