8th Social science Term-1 real paper 20 December 2021 | PSEB Term-1 exam SST|GAURAV CROOKS 8th #pseb

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The first three terms of a sequence are 3, 3, 6 and each term after the sum of two terms preceding it, then the 8th term of the sequence

Find the 28th term of the arithmetic sequence 2, 5, 8, ….

Find the second term and nth term of an A.P. whose 6th term is 12 and the 8th term is 22.

The sum of the 2nd term and the 7th term of an A.P. is 30. If its 15th term is 1 less than twice of its 8th term, find the A.P.

In a certain A.P., 5 times the 5th term is equal to 8 times the 8th terms then find its 13th term.

In a certain A.P., 5 times the 5th term is equal to 8 times the 8th terms then find its 13th term.

If the 8th term of an A.P. is 37 and the 15th term is 15 more than the 12th find the A.P. Also find the sum of first 20 terms of this A.P.

The 5th and 8th terms of a geometric sequence of real numbers are 7! And 8! Respectively. If the sum to first n tems of the G.P. is 2205, then n equals_______.

The 5th and 8th terms of a geometric sequence of real numbers are 7! And 8! Respectively. If the sum to first n tems of the G.P. is 2205, then n equals_______.