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The sum of n terms of two arithmetic pro...

The sum of n terms of two arithmetic progressions are in the ratio 2n+3:6n+5, then the ratio of their 13th terms, is

A

`53:155`

B

`27:87`

C

`29:83`

D

`31:89`

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A
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 2 (MATHEMATICS)
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  2. The integrating factor of the differential equation (dy)/(dx)(x(log...

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  3. The sum of n terms of two arithmetic progressions are in the ratio 2n+...

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  4. Dual of (x vv y) ^^ (x vv 1) = x vv x ^^ y vv y is

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  5. The sum o f series 1+4/5+7/(5^2)+(10)/(5^3)+oo is 7//16 b. 5//16 c. ...

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  6. The value of int(-pi//4)^(pi//4) x^(3) sin^(4) x dx is equal to

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  7. If x=asintheta and y =b cos theta, then (d^(2)y)/(dx^(2)) is

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  8. If x=asintheta and y =b cos theta, then (d^(2)y)/(dx^(2)) is

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  9. The plane x-2y+z-6=0 and the line x/1=y/2=z/3 are related as the line ...

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  10. The direction consines of the line segment joining points (-3,1,2)and ...

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  11. The focal distance of a point on the parabola y^2=12 xi s4. Find the a...

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  12. The equation of a line passing through (2,-3) and inclined at an angle...

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  13. Which of the following is a contradiction ?

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  14. Inverse of the matrix [{:(cos 2 theta, -sin 2 theta),(sin 2 theta, cos...

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  15. Let vec(a) and vec(b) be the two unit vectors such that angle between ...

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  16. Which of the follwing statement is correct ?

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  17. If x=A cos 4t+B sin4t, then (d^(2)x)/(dt^(2)) is equal to

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  18. int32x^(3)(logx)^(2) dx is equal ot

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  19. Solution of the differential equation x dy -y dx = 0 represents-

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  20. Which of the following is correct ?

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