Refer the below data table and answer the following question.

What is the ratio of boys to girls?

Raghuram sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 53 lakh, his gain would have been 7 times the former loss. Find the cost price of the machine.

What is the value of √[(1 - sinA)/(1 + sinA)]?

By increasing the price of entry ticket to a fair in the ratio 7:17, the number of visitors to the fair has decreased in the ratio 9:5. In what ratio has the total collection increased or decreased?

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

If a - b = -6 and a2 + b2 = 44, then ab is

A sum fetched a total simple interest of Rs. 8100 at the rate of 6% per year in 9 years. What is the sum?