If the price of tickets is increased in the ratio 8 : 11 then the number of tickets sold falls in the ratio 23 : 21 then what is the increase in the revenue, if the revenue before the increase in the price of the ticket was Rs 36,800 ?

Study the following graph carefully to answer the given questions

R started the work and left after some days, when 25% work was done. After it Z joined and completed it working for 25 days. In how many days R and Z can do the complete work, working together?

What is the value of $${cos^2A\over {1+sinA}}$$?

Study the following graph carefully to answer the given questions

M can do a piece of work 5 days less than that of P. M and P began to work together but M leaves after some days and P completed the remaining work in 12 days. Number of days after which M left the job-

The ratio of income of two persons is 5 : 3 and that of their expenditures is 9 : 5. If they save ₹ 1300 and ₹ 900 respectively. Their incomes are:

A trader sold two items at the same price. One at 20% profit and another at 10% loss. The overall profit / loss percentage of the trader is ________

The least number that should be added to 2,397 so that the sum is exactly divisible by 3, 4, 5 and 6 ?

A alone can complete a piece of work in 6 days and B alone can complete the same work in 8 days, then in how many days can A and B together complete the same work?