Quantitative Aptitude - Arithmetic Ability Questions

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

What is the obtuse angle formed by the hands of a clock when the time in the clock is 2:30?

Which of the following is in ascending order?

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

What is the reflection of the point (-3, 1) in the line x = -2?

Two trains are moving in the same direction at the speed of 24 km/hr and 50 km/hr. The time taken by faster train to cross a man sitting in the slower train is 72 seconds. What will be the length (in metres) of the faster train?