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If x,yz are positive integers, then (x+y...

If x,yz are positive integers, then (x+y) (y+z) (z+x), is

A

`= 8xyz`

B

`gt 8xyz`

C

`lt 8xyz`

D

`= 4xyz`

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The correct Answer is:
B
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BITSAT GUIDE-SEQUENCES AND SERIES -BITSAT ARCHIVES
  1. If x,yz are positive integers, then (x+y) (y+z) (z+x), is

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  2. If p, q, r and s are positive real numbers such that p+ q + r + s = 2,...

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  3. Sum of the series 1 + 2.2 + 3.2^(2) + 4.2^(3)+…+ 100.2^(99) is

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  4. Find the sum to n terms of the series 5 + 55 + 555 + ...

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  5. If a, b c are in GP and a^((1)/(x)) =b^((1)/(y)) =c^((1)/(z)), then x...

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  6. The sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15...

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  7. The sum of 0.2 +0.22+0.222+ … to n terms is equal to

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  8. If AM and HM between two numbers are 27 and 12 respectively, then thei...

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  9. The value of (2)/(1!) + (2+4)/(2!) + (2+4+6)/(3!) + … is

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  10. IF a(1),a(2),a(3),"...."a(10) be in AP and h(1),h(2),h(3),"...."h(10) ...

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  11. Let n is a rational number and x is a real number such that |x|lt1, th...

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  12. The HM of two numbers is 4. If their arithmetic mean A and geometric m...

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  13. For any integer n ge 1, the sum sum(k=1)^(n) k (k + 2) is equal to

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  14. In DeltaABC, if (1)/(b+c)+(1)/(c+a)=(3)/(a+b+c), then C is equal to

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

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  16. Find the sum of the series 1 . 3^(2) + 2.5 ^(2) + 3.7^(2) +…+ to n t...

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  17. If a = log(2)3, b = log(2) 5 and c = log(7)2, then log(140) 63 in term...

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  18. When 2^(31) is divided by 5 the remainder is

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  19. Let alpha, beta, gamma and delta be four positive real numbers such t...

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