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A circle with area A, is contained in th...

A circle with area A, is contained in the interior of a larger with area `A_1+A_2`. IF the radius of the larger circle is 3 units and `A_1,A_2` and `(A_1+A_2)` are in A.P., then find the radius of smaller circle…..

A

`sqrt3 units`

B

`sqrt2 units`

C

Unity

D

None

Text Solution

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-PROGRESSIONS (MULTIPLE CHOICE QUESTION)-PROGRESSIONS (MULTIPLE CHOICE QUESTION)
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  2. IF x ne y and the sequence x,a,a,y and x1,b1,b2,y each are in A.P., th...

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  3. If a,b, and c are in G.P., with 1 lt a lt b lt x and n gt 1 is an inte...

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  4. IF x,y,z are positive integers (numbers ) then……….

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  5. IF S1+S3=K,S2, where S1,S2 and S3 are the sum of 'n' terms of the seri...

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  6. Find the G.M. of the numbers 2,3 and 4.

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  7. Find Sn of sqrt2+sqrt8+sqrt18+sqrt32+…..+n.

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  8. Find the co-efficient of x^(99) in the polynomial (x-1)(x-2)(x-3)……..(...

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  9. Find S, for the G.P. (-3)/4,3/16,3/64,.........

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  10. Find the sum of the infinity of the G.P. 5,20/7,80/49,……..

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  11. Which term of the series 1,2,4,8,……… is 256?

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  12. IF g1,g2g3 are three geometric means between "m" and "n". Then g1.g3=g...

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  13. The sum of the first three terms of a G.P is 39/10 and their product i...

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  14. How many terms of a G.P.3,3^2,3^3,……….. Are needed to give the sum 120...

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  15. Find the sum of the first 8 terms of 3,6,12,24,………

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  16. IF the A.M and G.M of two numbers are 13 and 12 respectively. Find the...

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  17. What is the G.M. of 6 and 24?

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  18. Find the values of x so that (-2)/7,x,(-7)/2 are three consecutive ter...

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  19. The 5^(th),8^(th) and 11^(th) terms of a G.P. are p,q and s respective...

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  20. The product of two numbers is 91 and their A.M. is 10. Find the two nu...

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