Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

Rs 9000 is divided among P, Q and R in the ratio of 5 : 6 : 7. What is the share (in Rs) of R?

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

­ A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?

A train starts moving from a place P at 10:00 a.m. and arrives at another place Q at 5:30 p.m. on the same day. If the speed of the train is 50 km/hr, then what will be the distance (in km) covered by the train?

In the following question, select the missing number from the given series.
 
1912, 2012, 2133, 2277, 2446, ?

The point equidistant from the vertices of a triangle is called its

A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. Working together they can do the work in