CBSE Class 10-Mathematics: Chapter –5 Arithmetic Progressions Part 16

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Question 11:

Determine the AP whose third term is and the term exceeds the term by .

Answer:

Put the valve of d in eq. (i)

Question 12:

Find the sum of AP in

Answer:

Question 13:

In an AP, find and a.

Answer:

Question 14:

Find for the AP in

Answer:

Question 15:

Find the sum to n term of the AP in 5, 2, -1, -4, -7……….

Answer: