Quantitative Aptitude - Arithmetic Ability Questions

A, B and C are three points on a circle with centre O. The tangent at C meets BA produced at T. If ∠ATC = 30° and ∠ACT = 48°,then what is the value of ∠AOB ?

If 1 + secA = x, then the value of x is

The ratio of present ages of P and Q is 5 : 8. Three years later their ages will be in ratio 8 : 11. What is the present age (in years) of Q?

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

Find the number that is as much greater than 49 as is less than 95.

The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?

A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?

If x = 1 – y and x2 = 2 – y2, then what is the value of xy?