Quantitative Aptitude - Arithmetic Ability Questions

In two types of brass, the ratios of Copper to Zinc are 8:3 and 15:7 respectively. If the two types of brass be melted and mixed in the ratio 5:2 a new type of brass is obtained. The ratio of Copper to Zinc in this new type of brass is

If x + y + z = 22 and xy + yz + zx = 35, then what is the value of (x – y)2 + (y – z)2 + (z – x)2?

If x3 = 62 - 32, then the value of x is

84% of a number is 105. The number is :

In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?

Azhar is 4 times as good a workman as Balaraj and therefore is able to finish a job in 45 days less than Balaraj. Working together, they can do it in:

A train, 200 m long, is running at a speed of 54 km/hr. The time in seconds that will be taken by train to cross a 175 m long bridge is

If the hour hand of a clock moves by 18 deg then by how many degrees does the minute hand move during the same time?