At a construction site, 200 workers were working on a building which is scheduled to end within 250 days. After 30 days, 20 workers leave the job. How many more days will it take to complete the work? 

The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

In which year maximum vacancies produced?

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, the other number is

If , the value of 8 × 2  is : 

Speed of boat in downstream and upstream are 32km/hr and 23km/hr. Find the speed of current ?

If θ then (tanθ+cosθ)=?

G is the centroid of a triangle ABC, and the median is AD, the ratio of AD and GA is