51. What is the ratio of the number of females in T.N. to the number of females in Delhi?
52. What was the number of males in U.P. in the year 1998?
53. If in the year 1998, there was an increase of 10% in the population of U.P. and 12% in the population of M.P. compared to the previous year, then what was the ratio of populations of U.P. and M.P. in 1997?
54. If for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be amount of royalty to be paid for these books?
55. What is the central angle of the sector corresponding to the expenditure incurred on Royalty?
56. The price of the book is marked 20% above the C.P. If the marked price of the book is Rs. 180, then what is the cost of the paper used in a single copy of the book?
57. If 5500 copies are published and the transportation cost on them amounts to Rs. 82500, then what should be the selling price of the book so that the publisher can earn a profit of 25%?
58. Royalty on the book is less than the printing cost by: