The expenditure incurred by a company under seven major heads A, B, C, D, E, F and G in an year is depicted as percentages and shown in the following Pie chart. Based on the data answer the questions 49 to 51.
The sum of angles (in degrees) of the sectors which show the expenditure towards heads F and A is
170 children went to an amusement park where they could take three different rides A, B and C. It was known that 40 of them took all the three rides and 110 of them took at least two of the three rides. Each ride costs ten rupees and the total receipts of the amusement park were Rs.2900 through these children. Based on this information, answer the questions from 52 to 55.
The receipts of the amusement park through the children who took exactly one ride among the three rides is (in rupees)
In a certain code, $$n^{th}$$ letter in t he English alphabet is coded as $$(n + 4) (mod 26)^{th}$$ letter if n is even and (n - 4) $$(mod 26)^{th}$$ letter if n is odd. The inverse process is used for decoding.
Using this information answer the questions from 56 to 60.