How many 4 digit numbers can be formed f...

How many 4 digit numbers can be formed form the digits,1,1,2,2,3,3,4,4,5,5?

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How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that (i) repetition of the digits is allowed? (ii) repetition of the digits is not allowed?

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UNITED BOOK HOUSE-KALIDHAN INSTITUTION-EXERCISE

If the term independetn of x in the expansion of (k/3x^2-3/(2x))^9be 2...
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Find the sum :3.1^2+4.2^2+5.3^2+....upto n terms.
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A straight line passes through the point (2,3) and is such that the po...
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Find the image of the point (3,8) with respect to the line x + 3y = 7 ...
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The sum of the distances of a moving point from the points (c,0)and (-...
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If the sum of first n terms of a G.P is p and the sum of the first 2n ...
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The roots of the equation x^2+3x+4=0are alphaand beta.Form the equati...
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Foe any two events A and B prove that ,P(A)geP(AcapB)geP(A)+P(B)-1
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Two fair dice are thrown simultaneously .The two scores are then multi...
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Find the maximum and minimum values of 3sintheta+4costheta+5
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Find the locus of a point which forms a triangle of area 21 square uni...
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Show that sin16^@+cos16^@=1/sqrt2(sqrt3cos1^@+sin1^@)
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Sin A=m sin B,show that ,tan((A-B)/2)=(m-1)/(m+1)tan((A+B)/2)
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Exhibit graphically the solution sets of the following system of linea...
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State the fundamental theorem of algebra.solve the following in the co...
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How many 4 digit numbers can be formed form the digits,1,1,2,2,3,3,4,4...
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Find the sum upto n terms:0.7+0.77+0.777+…
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The co-ordinates of A,B,C are (6,3),(-3,5)and (4,-2) respectively and ...
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The equations of two sides of a square are 5x+12y-10=0 and 5x+12y+29=0...
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Find the equations of the lines passing thorugh the point (4,5)making ...
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