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Out of 30 consecutive natural numbers, ...

Out of 30 consecutive natural numbers, 2 are chosen at random. The probability that their sum is odd is -

A

`(14)/(29)`

B

`(15)/(29)`

C

`(12)/(29)`

D

`(10)/(29)`

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 6
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  10. The cartesian equation of a straight line is (x-3)/(4)=(y+2)/(5)=(z-...

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  11. Three vectors veca, vecb, vec c are such that |veca|=3, |vecb|=2, |ve...

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  12. The value of hati*(hatk xx hatj) + hatj*(hati xx hatk)+hatk*(hatj xx h...

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  13. The angle between the planes x-2y+2z=5 and 2x-3y+6z=11 is -

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  14. If |veca xx vecb|=3 and veca*vecb=4, then the value of |veca|^(2)|vec...

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  17. In the mean value theorem f(a+h)=f(a)+hf'(a+theta h) ( 0 lt theta lt 1...

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  19. Let f(x)=4x^(3)+x^(2)-4x-1. The equation f(x)=0 has roots 1 and (-(1)/...

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