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The interior angles of a polygon are in ...

The interior angles of a polygon are in A.P. If the smallest angle is `120^@` and the common difference is `5^@` , then the number of sides in the polygon is :

A

Only `160^(@)`

B

Only `195^(@)`

C

Either `160^(@)` or `195^(@)`

D

Neither `160^(@)` nor `195^(@)`

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The correct Answer is:
A
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PUNEET DOGRA-SEQUENCE AND SERIES-PREVIOUS YEAR QUESTIONS
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  2. The interior angles of a polygon are in A.P. If the smallest angle is ...

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  3. The interior angles of a polygon are in A.P. If the smallest angle is ...

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  4. What is the greatest value of the positive integer n satisfying the co...

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  5. Given that a(n)=int(0)^(pi)(sin^(2){(n+1)x})/(sin2x)dx Q. What is a(...

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  6. Given that a(n)=int(0)^(pi)(sin^(2){(n+1)x})/(sin2x)dx Q. What is a(...

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  7. If m is the geometric mean of ((y)/(z))^(log(yz)),((z)/(x))^(log(zx)) ...

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  8. Given that log(x)y,log(z)x,log(y)z are in GP, xyz=64 and x^(3),y^(3),z...

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  9. Given that log(x)y,log(z)x,log(y)z are in GP, xyz=64 and x^(3),y^(3),z...

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  10. If log(10)2,log(10)(2^(x)-1) and log(10)(2^(x)+3) are three consecutiv...

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  11. What is the sum of the series 0.5+0.55+0.555+. . .+n terms ?

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  12. The value of the infinite product 6^((1)/(2))xx6^((1)/(4))xx6^(1/8)xx6...

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  13. If the nth term of an AP is (3+n)/(4), then the sum of first 105 terms...

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  14. What is the sum of n terms of the series sqrt(2)+sqrt(8)+sqrt(18)+sqrt...

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  15. If p,q,r are in one geometric progression and a,b,c are in another geo...

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  16. The sum of an infinite GP is x and the common ratio r is such that |r|...

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  17. The sum of the series formed by the sequence 3, sqrt3, 1, . . . Upto i...

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  18. Let S(n) denotes the sum of first n terms of an AP and 3S(n)=S(2n). ...

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  19. Let Sn denote the sum of the first n terms of an AP S(2n)=3Sn Then t...

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  20. Let f(x)=ax^(2)+bx+c such that f(1)=f(-1) and a,b,c are in Arithmetic ...

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