Quantitative Aptitude - Arithmetic Ability Questions

Find the Greatest Common Factor of 280 and 144.

The ratio of salary of X, Y and Z is 15 : 3 : 8. If Z gets Rs. 3960 more than Y, then what is the salary (in Rs.) of X?

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

What is the highest common factor of 360 and 450?

In the first 10 overs of a cricket game, the run rate was only 3.2. The run rate in the remaining 40 overs to reach the target of 282 runs is

What is the value of sin(11π/6)?