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A man saved Rs 21700 in 14 years. In each year after the first he saved Rs 100 more than he did in the preceding year. How much did he save in the first year?
  • a)
    Rs 2100
  • b)
    Rs 1300
  • c)
    Rs 900
  • d)
    Rs 600
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A man saved Rs 21700 in 14 years. In each year after the first he save...
d = 100
Sn = 21700
n = 14
Sn = n/2[2a + (n-1)d]
21700 = 14/2[2a + (14-1)100]
= 21700 = 7[2a + 1300]
= 3100 = 2a + 1300
⇒ 3100 - 1300 = 2a
⇒ 1800 = 2a
⇒ a = 900
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Most Upvoted Answer
A man saved Rs 21700 in 14 years. In each year after the first he save...
It is an arithmetic progression and we have d=100 Sum of terms = 21700 n =14by formula = Sn = n /2[2a+(n-1)d]putting values of d, Sn and n we will get a= 900 which is our answer
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Community Answer
A man saved Rs 21700 in 14 years. In each year after the first he save...
Let a ap with first term x and uts common diff. is 100



solve as the sum of ap is given
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A man saved Rs 21700 in 14 years. In each year after the first he saved Rs 100 more than he did in the preceding year. How much did he save in the first year?a)Rs 2100b)Rs 1300c)Rs 900d)Rs 600Correct answer is option 'C'. Can you explain this answer?
Question Description
A man saved Rs 21700 in 14 years. In each year after the first he saved Rs 100 more than he did in the preceding year. How much did he save in the first year?a)Rs 2100b)Rs 1300c)Rs 900d)Rs 600Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A man saved Rs 21700 in 14 years. In each year after the first he saved Rs 100 more than he did in the preceding year. How much did he save in the first year?a)Rs 2100b)Rs 1300c)Rs 900d)Rs 600Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A man saved Rs 21700 in 14 years. In each year after the first he saved Rs 100 more than he did in the preceding year. How much did he save in the first year?a)Rs 2100b)Rs 1300c)Rs 900d)Rs 600Correct answer is option 'C'. Can you explain this answer?.
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