Quantitative Aptitude - Arithmetic Ability Questions

The sum of 15 observations of a data is (434 + x). If the mean of the data is x, then the value of x is

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

The bus fare between two cities is increased in the ratio 11:18. What would be the increase in the fare, if the original fare is Rs 550?

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

If 5 - 2x ≥ 4 - x and 3(2 - x) > 2 - 4x; then x can take which of the following values?

The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Y­axis to (4,­3). The co­-ordinates of point P are