Questions

Ten > Sequence and Series
Asked by Basanta · 2 years ago

Kuber saves Rs 100 during the first month, Rs 150 in the next month, and Rs.200 in the third month. If he continues his saving in this sequence,

  1. In how many months will he save Rs 257500?
  2. Find the total savings at the end of 7 years. 
  3. What will be the amount of savings only in the $\rm 20^{th}$ month? 

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

20 people live on the first floor of a building, 34 people on the second floor and 48 people on the third floor, and so on in an arithmetic sequence. There is a 5 storeyed building. What's the total number of people living in the building? Find by using the formula.

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

A writer wrote 890 words on the first day, 760 words on the second day and 630 words on the third day, and so on in an arithmetic sequence. How many words did the writer write in a week?

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

A car travels 300 m in the first minute, 420 m in the next minute, 540 m in the third minute, and so on in an arithmetic sequence. What's the total distance the car travels in I hour?

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

There are 125 passengers in the first carriage, 150 passengers in the second carriage and 75 passengers in the third carriage, and so on in an arithmetic sequence. What's the total number of passengers in the first 7 carriages?

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

2(k-1), k+2 and 3k are the three terms of an AP. Find the value of k and the sum of the first 5 terms

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

If the first 3 terms of an arithmetic series are p+2, 2p-1, and p+6 respectively, find p and the sum of its first five terms. 

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

The sum of the first 6 terms of an arithmetic series is 63 and the ratio of the second term and fifth term is 2 : 5. Find the first term and $\rm 10^{th}$ term.

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

The sum of first 9 terms of an arithmetic series is 90 and the ratio of the third term and sixth term is 1 : 2. Find the first term and $\rm 8^{th}$ term. 

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Ten > Sequence and Series
Asked by Basanta · 2 years ago

In an AS, the sum of the first ten terms is 520. If its seventh term is double of its third term calculate the first term and the common difference of the series.

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