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Step by step text solution for A box contains 6 white balls and 4 black balls, A ball is drawn at random from the box. What is the probability that the ball is white. by MATHS experts to help you in doubts & scoring excellent marks in Class 11 exams.
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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 2-EXERCISE
- IS the derivative of the function f(x)=|x| at x=0.possible?
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- In a frequancy distribution,if the mean = 35 & median = 33, then find ...
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- A box contains 6 white balls and 4 black balls, A ball is drawn at ran...
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- In three sets P,Q,R if Pcup R=Pcup Qand Pcap Q=PcapR,then show that Q=...
02:59
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- Show that,tan7 (1^@/2)=sqrt6-sqrt3+sqrt2-2
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- Prove by mathematical induction, n.1+(n-1).2+(n-2).3+…+2.(n-1)+1.n = ...
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- If a+ib=sqrt((x+iy)/(p+iq)),show that (a^2+b^2)^2=(x^2+y^2)/(p^2+q^2)
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- If the p^(th), q^(th) and r^(th) terms of a G.P. are x, y, z respec...
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- The co-efficients of the expansion of (1+x)^(2n-1)and (1+x)^(2n)are P ...
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- The co-ordinates of the vertices of a quadrilateral are (3,-2)(6,2)(4,...
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- Find the equations of straight line which are perpendicular to the str...
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- A circle through the common points of the circles x^2+y^2-x+7y-3=0and ...
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- Find the equations of the two straight line parallel to the line 3x+4y...
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- Evaluate :lim(xrarr0)((a+x)^2sin(a+x)-a^2sina)/pi
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- If the derivatives of f(x) at x=a is f'(a) ,then show that lim(xrarra)...
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- If n is a such real number that n>3 .then n^2>9 prove it by the method...
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- From 20 cards marked with the 1st 20 natural numbers.one is drawn at r...
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- Find the mean of first ten natural numbers
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- If tan (theta/2)=tan^3 (phi/2)and tanphi=2tanalpha,then prove that the...
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- Find the value of 1/2sec80^@-2cos20^@
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