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Ramkali saved Rs 5 in the first week of a year and then increased her weekly savings by Rs 1.75 . If the nth week. her weekly saving becomes Rs 20.75 find n.

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The correct Answer is:
`n=10`
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KUMAR PRAKASHAN-ARITHMETIC PROGRESSION-EXERCISE 5.2
  1. In the following Aps, find the missing terms in the boxes . -4,squar...

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  2. In the following Aps, find the missing terms in the boxes . square,3...

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  3. Which term of the AP : 3,8,13,18,..... is 78?

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  4. Find the number of terms in each of the following AP : 7,13,19,........

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  5. Find the number of terms in each of the following Aps : 18,15(1)/(2)...

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  6. Check whether -150 is a term of the AP : 11 , 8 , 5, 2 .....

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  7. Find the 31st term of an AP whose 11th term is 38 and the 16th term is...

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  8. An AP consists of 50 terms of which 3rd term is 12 and the last term i...

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  9. If the 3rd and the 9th terms of an AP are 4 and -8 respectively , whic...

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  10. The 17th term of an AP exceeds its 10th term by 7. Find common differe...

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  11. Which term of the AP : 3 , 15 , 27 , 39 will be 132 more than its 54th...

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  12. Two APs have the same common difference The difference between their 1...

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  13. How many three digit numbers are divisible by 7 ?

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  14. How many multiples of 4 lie between 10 and 250 ?

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  15. For what value of n , are the nth terms of two Aps 63 , 65 , 67 , .......

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  16. Determine the AP whose third term is 16 and the 7th term exceeds the 5...

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  17. Find the 20th term from the last term of the AP : 3, 8, 13, ......253 ...

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  18. The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th...

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  19. Subha Rao stared work in 1995 at an annual salary of Rs 5,000 and rec...

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  20. Ramkali saved Rs 5 in the first week of a year and then increased her ...

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