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Two dice are thrown at a time. The*, pro...

Two dice are thrown at a time. The*, probability that the sum of tw,o numbers is equal to 8 is

A

a)2/9

B

b)7/36

C

c)1/18

D

d)5/36

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 9-EXERCISE
  1. If f(9) = 9, f'(9) = 4, then the value of lim(xrarr9)(sqrt(f(x))-3)/(s...

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  2. The value of lim(xrarr0)(2^x-1)/(sqrt(1+x)-1)is

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  3. Two dice are thrown at a time. The*, probability that the sum of tw,o ...

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  4. G.M. of 3, 6, 24, 48 is

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  5. If the number of elements of set A are n, then show that the number of...

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  6. If R is a defined relation of A = {0. 1. 2. 3. 4. 5} such that R = {(x...

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  7. Prove that tan(pi//4+theta)-tan(pi//4-theta)=2tan2theta

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  8. Three sides of a triangle are. 3 cm, 5 cm, 7 cm. Find the value of its...

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  9. If |(Z-5i)/(Z+5i)|=1,then show that Z in R

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  10. In a plane, if n number.of parallel lines intersect the P numbers of p...

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  11. In the expansion of (3x^2-1/x^3)^10:find the 7th term.

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  12. If the sum of 1st n term of an AP is n(3n + 5), find its 10th term

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  13. If the three straight lines y = 3x- 1, 2y = x + 3 and 3y - 4 = mx are ...

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  14. Find the co-ordinate of the image of (3, 2, -4) on xy plane.

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  15. If S=at^2+bt+c find [ds/dt]'t=2

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  16. If f(x) =1/x , then show thatlim(hrarr0)(f(2+h)-f(2))/h=-1/4

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  17. Find the probability of 53 Sunday in a Leap year ?

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  18. Show that the mean deviation with respect to Arithmetic mean is zero

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  19. If f(x)=1/x^2,show that f(x)-f(x+1)=(2x+1)/(x^2(x+1)^2)and hence again...

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  20. If acosphi=b costheta,show that a tantheta+b tanphi=(a+b)tan((theta+ph...

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