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Sum of an odd number of terms of an A.P. is equal to the product of the number of terms and the ……………

The sum of four numbers in A.P. is 4 and their product is 385. Find the numbers.

If the sum of three numbers in A.P., is 24 and their product is 440, find the numbers.

The sum of three numbers in A.P. is -3 and their product is 8. Find the numbers.

The sum of three consecutive numbers of an A.P. is 27 and their product is 504. Find the numbers.

Show that the sum of (m+n)^(th) and (m -n)^(th) terms of an A.P. is equal to twice the m^(th) term.

If the sum of n terms of an A.P. is 3n^2 + 2n : Find the rth term.

If the sum of first p terms of an A.P. is equal to the sum of the first q terms, then find the sum of the first (p+ q) terms.

If the sum of m terms of an A.P. is equal to the sum of either the next n terms or the next p terms, then prove that (m+n)(1/m-1/p)=(m+p)(1/m-1/n)dot