Quantitative Aptitude - Arithmetic Ability Questions

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)?

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

What is the value of [1/(1 – tan θ)] – [1/(1 + tan θ)]?

­ 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?

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?

Select the odd word/letters/number/number pair from the given alternatives.

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