" In an "AP" ,if the common difference "(d)=-4," and the seventh term "(a7)" is "4," then find the "1

In an A.P., if the common difference (d)=-4 and the seventh term (a_7) is 4 then find the first term

In an A.P.if the common difference (d)=-4 and the seventh term (a_(7)) is 4 then find the first term

If the first term a_(1) of an A.P. is 22, the common difference d=-4 and the sum to n terms is 64, find n. Explain the double answer.

If the first term a_1 of an A.P. is 22, the common difference d = -4 and the sum to n terms is 64, find n. Explain the double answer.

In an A.P. the common difference (d) is 6 and seventh term is 36. Can we write such an A.P.?

The sum of n terms of an A.P. is 136, the common difference is 4 and the last term is 31, find the number of terms.

Which of the following are APs ? If they form an AP,find the common difference d and write three more terms. :- a, a^2 , a^3, a^4 , …

Consider the AP 4,10,16,22,…… Find its common difference and the 7^th term.

Which of the following are Aps? If they form an AP, find the common difference d and write three more terms. (vii) 0, -4, -8, -12, …….

Which of the following are A.P.s ? If they form an A.P., find the common difference d and write the next three terms . 2,4,8,16"….."