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The sides of a right angled triangle are...

The sides of a right angled triangle are in A.P., then they are in the ratio :

A

`2:3:4`

B

`3:4:5`

C

`4:5:6`

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-SEQUENCES AND SERIES-Chapter Test
  1. If 4a^(2)+9b^(2)+16c^(2)=2(3ab+6bc+4ca)," where "a,b,c are non-zero nu...

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  2. If Sn denotes the sum of n terms of an A.P. whose common difference is...

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  3. The sides of a right angled triangle are in A.P., then they are in the...

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  4. Find the sum of all the 11 terms of an AP whose middle most term is 30...

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  5. The maximum sum of the series 20+19 1/3+18 2/3+ is 310 b. 300 c. 0320 ...

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  6. If three numbers are in G.P., then the numbers obtained by adding the ...

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  7. If p ,q ,r are in A.P., show that the pth, qth and rth terms of any G....

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  8. Let a,b,c be three positive prime number. The progrrssion in which sqr...

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  9. If 1/(b-a)+1/(b-c)=1/a+1/c , then (A). a ,b ,a n dc are in H.P. (B). a...

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  10. If three numbers are in H.P., then the numbers obtained by subtracting...

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  11. The first three of four given numbers are in G.P. and their last three...

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  12. In a G.P. of positive terms if any terms is equal to the sum of next ...

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  13. If a,b,c are in H.P and ab+bc+ca=15 then ca=

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  14. If sum(r=1)^(oo)(1)/((2r-1)^(2))=(pi^(2))/(8), then sum(r=1)^(oo) (1)/...

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  15. It is given that 1/1^4 + 1/2^4 +1/3^4 … to oo= pi^4/90 , then 1/1^4...

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  16. The minimum number of terms from the beginning of the series 20+22(2)/...

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  17. The sum of the series 1-3+5-7+9-11+ . . . . To n terms is

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  18. If three positive unequal numbers a, b, c are in H.P., then

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  19. If the fifth term of a G.P. is 2, then write the product of its 9 t...

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  20. 1^3-2^3+3^3-4^3+........+9^3 is equal to

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