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A man saves Rs. 200 in each of the first...

A man saves Rs. 200 in each of the first three months of his service. In each of the subsequent months his saving increases by Rs. 40 more than the saving of immediately previous month. His total saving from the start of swrvice will be Rs. 11040 after

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A man saves Rs.100 in the first month of his service. In each of the subsequent months his saving increases by twice of the saving of immediately previous month. His total saving from the start of service will be Rs.409500 after :-

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JEE MAINS PREVIOUS YEAR-SEQUENCES AND SERIES-All Questions
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  2. The sum of the series 1/(2!)-1/(3!)+1/(4!)-... upto infinity is (1...

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  3. The average marks of boys in a class is 52 and that of girls is 42....

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  4. The first two terms of a geometric progression add up to 12. The su...

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  5. 1+2/3+6/(3^2)+10/(3^3)+14/(3^4)+

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  6. A person is to count 4500 currency notes. Let an denote the number ...

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  7. A man saves Rs. 200 in each of the first three months of his service. ...

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  8. If 100 times the 100^(t h) term of an AP with non zero common diffe...

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  9. Statement 1: The sum of the series 1""+""(1""+""2""+""4)""+""(4""+"...

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  10. If x, y, z are in A.P. and t a n^(-1)x ,""t a n^(-1)y""a n d""t a n...

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  11. The sum of first 20 terms of the sequence 0.7, 0.77, 0.777, .. , is...

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  12. Three positive numbers from an increasing G.P. If the middle term i...

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  13. If (10)^9+""2(11)^1(10)^8+""3(11)^2(10)^7+""ddot""+""10(11)^9=k(10)^9 ...

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  14. If m is the A.M. of two distinct real numbers l and n""(""l ,""n"">"...

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  15. The sum of first 9 terms of the series (1^3)/1+(1^3+2^3)/(1+3)+(1^3...

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  16. If the sum of the first ten terms of the series (1 3/5)^2+(2 2/5)^2+(3...

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  17. If the 2nd , 5th and 9th terms of a non-constant A.P. are in G.P...

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  18. For any three positive real numbers a , b and c ,9(25 a^2+b^2)+25(c^2...

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