For the following questions answer them individually
A is 40% more efficient than B. How much time will they take to work together to complete a job, which A alone could have done in 31 days?
If $$\left(a - b\right) = 1$$, then what is the value of $$\left(a^{3} - b^{3}\right)$$?
A can do a piece of work in 8 days, while B can do it in 18 days. In how many days will the work be completed if they both work on alternate days starting with B?
The given pie-dart shows the marks scored by a student in different skills in an examination: mathematical ability, verbal ability, -reasoning, coding and puzzle solving. The values are given in degrees.
Answer the following question. If total marks were 3000, then what would be the marks in reasoning?
Ramlal marks up his goods by 40% and gives a discount of 10%. What is his net profit percentage?
In the given figure, PQ is a chord passing through the centre 'O' of the circle. Calculate $$\angle$$PQS.