For the following questions answer them individually
A and B separately can build a wall in 12 and 16 days, respectively. If they work for 1 day alternatively, starting with A, in how many days will the wall be built?
What number must be added to each of the numbers 8, 13, 26 and 40 so that the numbers obtained in this order are in proportion?
Study the following graph and answer the question based on the graph.
What was the percentage decline in the production from Friday to Saturday?
A player has a certain average for 15 innings. In the 16th inning he scores 120, there by his average increases by 6 runs. What is the new average?
If $$\sin \theta + cosec \theta = 2,$$ then the value of $$\sin^2 \theta + cosec^2 \theta$$ is:
In how may years will a sum of $$₹ 320$$ amount to $$₹ 405$$ if interest is compounded at 12.5% per annum?