Quantitative Aptitude - Arithmetic Ability Questions

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?

Find the length of a transverse common tangent of the two circles whose radii are 3.5 cm, 4.5 cm and the distance between their centres is 10 cm.

Find the number which is NOT a prime number.

Which of the following pairs is NOT a pair of twin primes?

If selling price and cost price of an article are Rs. 684.25 and Rs. 595 respectively, then what is the profit percentage?

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

The bar graph shows the annual sales of the different departments of a company. Study the diagram and answer the following questions

What is the ratio of the annual sales of department B to that of department F?