Quantitative Aptitude - Arithmetic Ability Questions

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

The average of 44 consecutive odd numbers is 144.What is the largest number?

If (1/cos θ) – (1/cot θ) = 1/P, then what is the value of cos θ?

On dividing 24a2b2 by 6b2, we will get

If A is 6 times more than B, then by what percentage is B is less than A?

Mohit and Anshu invested some money in a business in the ratio 8 : 15 respectively. After 9 months Mohit withdraws his capital. If they receive profits in the ratio 4 : 5, then for how many months did Anshu invest in the business?

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

In a class there were 28 boys and some girls. In a test the mean score obtained by the boys was 12.5 while that obtained by the girls was 14.5. If the overall average was 13.1, what was the total number of students in the class?