Refer the below data table and answer the following question.

What percent students who chose engineering are girls?

sinA/(1 + cos A) is equal to

tan3A is equal to

What is the value of cos 4π/3?

By increasing the price of entry ticket to a fair in the ratio 11:16, the number of visitors to the fair has decreased in the ratio 19:9. In what ratio has the total collection increased or decreased?

A bank offers 5% compound interest per half year. A customer deposits Rs. 3200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:

Volume of a cylinder is 2310 cubic cm. If circumference of its base is 44 cm, find the curved surface area of the cylinder?

When a number is increased by 26, it becomes 113% of itself. What is the number?