Mathematics 2008 Question Papers

Sol.

Q. 19. The first and the last term of an A.P. are 4 and 81 respectively. If the common difference is 7, how many terms are there in the A.P. and what is their sum?

Sol.

Mathematics 2008 Question Papers Class X
Delhi Outside Delhi Compartment Delhi Compartment Outside Delhi
Indian Colleges All Sets(PDF)     Indian Colleges Set 1 Indian Colleges Set 1
        Indian Colleges Set 2 Indian Colleges Set 2
        Indian Colleges Set 3 Indian Colleges Set 3

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