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If a,b,c are in A.P. as well as in G.P. ...

If a,b,c are in A.P. as well as in G.P. then

A

`a=b!=c`

B

`a!=b=c`

C

`a!=b!=c`

D

a=b=c

Text Solution

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-SEQUENCES AND SERIES-Exercise
  1. If x ,y , and z are in G.P. and x+3,y+3, and z+3 are in H.P., then y=2...

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  2. If (1)/(b+c),(1)/(c+a),(1)/(a+b) are in A.P., then

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  3. If a,b,c are in A.P. as well as in G.P. then

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  4. The value of 2.bar(357), is

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  5. If (3+5+7+ u p tont e r m s)/(5+8+11+ u p to10t e r m s)=7, then find...

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  6. If x,1,z are in AP and x,2,z are in GP, then x,4,z will be in

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  7. The sum of three numbers in G.P. is 14. If one is added to the first ...

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  8. about to only mathematics

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  9. If the sum of first two terms of an infinite G.P is 1 and every term i...

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  10. If x,y,z are in G.P and a^x=b^y=c^z,then

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  11. If the sum of an infinite G.P. be 3 and the sum of the squares of its ...

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  12. If a,b,c,d are in GP and a^x=b^y=c^z=d^u, then x ,y,z,u are in

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  13. If a,b,c are in HP, then (a)/(b+c),(b)/(c+a),(c )/(a+b) are in

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  14. The sum of the first n terms of the series 1^2+2xx2^2+3^2+2xx 4^2+5^2+...

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  15. If x ,y ,a n dz are pth, qth, and rth terms, respectively, of an A.P. ...

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  16. If x=2+a+a^2+oo,w h e r e|a|<1a n dy=1+b+b^2+oo,w h e r e|b|<1. prove ...

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  17. a ,b ,c are positive real numbers forming a G.P. ILf a x^2+2b x+c=0a n...

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  18. If a ,b ,a n dc are in A.P. p ,q ,a n dr are in H.P., and a p ,b q ,a ...

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  19. Find the sum of integers from 1 to 100 that are divisible by 2 or 5...

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  20. Find the sum of n terms of the sequence (x+1/x)^2,(x^2+1/(x^2))^2,(x^3...

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