If the 4th and 7th term of Geometrics Progressions are 54 and 1458 respectively, find the Geometric Progression.

The 4th and 7th term of an arithmetic progression are 1 and -4, respectively. What is the 15th term?

If the 3rd, 7th and 11th terms of a geometric progression are p, q and r respectively, then the relation among p, q and r is ____.

If t_8 and t_3 of a geometric progression are (4)/(9) and (27)/(8) respectively, then find t_(12) of the geometric progression.

The 4^(th), 6^(th) and the last term of a geometric progression are 10, 40 and 640 respectively. If the common ratio is positive, find the first term, common ratio and the number of terms of the series.

The first term of an arithmetic progression is 1 and the sum of the first nine terms equal to 369 . The first and the ninth term of a geometric progression coincide with the first and the ninth term of the arithmetic progression. Find the seventh term of the geometric progression.

The first term of an arithmetic progression is 1 and the sum of the first nine terms equal to 369 . The first and the ninth term of a geometric progression coincide with the first and the ninth term of the arithmetic progression. Find the seventh term of the geometric progression.

The first term of an arithmetic progression is 1 and the sum of the first nine terms equal to 369 . The first and the ninth term of a geometric progression coincide with the first and the ninth term of the arithmetic progression. Find the seventh term of the geometric progression.

The first term of an arithmetic progression is 1 and the sum of the first nine terms equal to 369 . The first and the ninth term of a geometric progression coincide with the first and the ninth term of the arithmetic progression. Find the seventh term of the geometric progression.

The first term and the mth term of a geometric progression are a and n respectively and its nth term is m . Then its (m+1-n) th term is _____.