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In which of the following situations, does the list of numbers involved make as arithmetic progression and why? - CBSE Class 10 - Mathematics

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Question

In which of the following situations, does the list of numbers involved make as arithmetic progression and why?

The cost of digging a well after every metre of digging, when it costs Rs 150 for the first metre and rises by Rs 50 for each subsequent metre.

 

Solution

Cost of digging for first metre = 150

Cost of digging for first 2 metres = 150 + 50 = 200

Cost of digging for first 3 metres = 200 + 50 = 250

Cost of digging for first 4 metres = 250 + 50 = 300

Clearly, 150, 200, 250, 300 … forms an A.P. because every term is 50 more than the preceding term.

  Is there an error in this question or solution?

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 NCERT Solution for Mathematics Textbook for Class 10 (2019 to Current)
Chapter 5: Arithmetic Progressions
Ex.5.10 | Q: 1.3 | Page no. 99
Solution In which of the following situations, does the list of numbers involved make as arithmetic progression and why? Concept: Arithmetic Progression.
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