Q1. Find the 6th and 15th terms of the A.P whose first term is 6 and common difference is 7. Q2. The 12th term of an A.P is -41 given the first term is 3, find the 20th term. Q3. If 8, A, B, C, D, 38, 44, 50, Find the values of A, B, C, AND D Q4. How many terms has an A.P. whose common difference and first term are -6 and 8 respectively and the last term is -82. ....