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CBSE Class 10 Maths (Standard) 2024 · Paper 30(B) · Question 5

Arithmetic Progressions 1 mark Hard
The sum of the first three terms of an AP is 30 and the sum of the last three terms is 36. If the first term is 9, then the number of terms is :
  1. (a)10
  2. (b)5
  3. (c)6
  4. (d)13

Answer

(b) 5

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