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5-digit numbers are to be formed using 2, 3, 5, 7, 9 with out repeating the digit. If p be the number of such numbers that exceed 20000 and q be the number of those that lie between 30000 and 90000 the p : q is
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| Question Text | 5-digit numbers are to be formed using 2, 3, 5, 7, 9 with out repeating the digit. If p be the number of such numbers that exceed 20000 and q be the number of those that lie between 30000 and 90000 the p : q is |
