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?

Directions: The sub divided bar diagram given below depicts Higher secondary Students of a school for three years. Study the diagram and answer the questions

The percentage passed in 1st division in 2008 was

In what time will ₹ 72 become ₹ 81 at $$6{1\over4}$$ % per annum simple interest?

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?

The average mathematics marks of two Sections A and B of class IX 131 the annual examination is 74. The average marks of Section A is 77.5 and that of Section B is 70. The ratios of the number of students of Section A and B is:

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?

Find the ratio between the fourth proportional of 12, 16, 6 and the third proportional of 4, 6.

The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is