Quantitative Aptitude - Arithmetic Ability Questions

The line passing through (­3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

What is the equation of the line whose y­-intercept is ­3/4 and making an angle of 45° with the positive x-­axis?

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

If the age of Rahul is 5 years more than his friend Ajay's age and the age of Rahul's wife is 6 years less than Rahul, and Ajay's wife is 1 year older than Rahul's wife, then which of the following statements is true?