If $$ A = {1\over 2}+{1\over 3}×{1\over 4}÷{1\over 5}-{1\over 6}$$ and $$B={1\over 2}÷{1\over 3}×{1\over 4}+{1\over 5} $$ , then what is the value of A - B?

Each side of a square is 12 cm long. The perimeter of this square is equal to the perimeter of a rectangle whose length is 16 cm. What will be the area of this rectangle?

If the arcs of square length in two circles subtend angles of 60° and 75° at their centres, the ratio of their radii is 

The HCF of x⁸ – 1 and x⁴ + 2x³ – 2x – 1 is :

△ABC ∼ △DEF. If the areas of △ABC and △DEF are 100 cm² and 81 cm², respectively and the altitude of △DEF is 6.3 cm, then the corresponding altitude of △ABC is:

If 27(x+y)³ – 8(x-y)³=(x+5y)(Ax²+By²+Cxy), then what is the value of (A+B-C)?

Direction: Read the following table carefully and answer the following questions:

The male workers are approximately what percent of the total workers of five companies?

Directions: The following pie chart show proportion of population of seven villages in 2009. Stud the pie chart and answer question that follows:

In 2010, the population of 'Y' and 'V' increases by 10% each and the percentage of population below poverty line remains unchanged for all the villages. If in 2009, the population of village Y was 30,000 then the below poverty line population of village 'V' in 2010 is-