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UNITED BOOK HOUSE-HOWRAH ZILLA SCHOOL-EXERCISE
- The diagonals of a square ABCD intersect at O. If the length of each s...
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- ABCD is cyclic quadrilateral. Extended BA upto F. AE||CD and if angleA...
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- Find the value of 1/(1+sin^2 20^@)+1/(1+cosec^2 20^@).
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- Find the value of sin^6 alpha+ cos^6 alpha+ 2sin^2 alpha cos^2 alpha.
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- The volume of a cuboid is 432 c.c. By melting it, to make two cube of ...
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- The lower and upper part of a solid object are hemispherical and conic...
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- If ui = (xi-25)/10 sumfiui = 20 and sumfi = 100, find barx.
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- In a partnership business, the ratio of the capitals of three partners...
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- A man deposits the money for each of his three sons in such a way tha...
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- A and B started a business in partnership by investing in the ratio of...
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- Solve: (a+x-2b)/(2a-b)-(a-2b)/x=1.
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- If one root of the equation ax^2+bx+c=0 is square the other root, then...
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- If x+y alphaz, when y is constant, (x+z) alpha y when z is constant, t...
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- If x= (sqrt(a+2b)+sqrt(a-2b))/(sqrt(a+2b)-sqrt(a-2b)), then show that ...
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- If a,b,c,d are in continued proportion then show that abcd(1/a+1/b+1/c...
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- If x = cy+bz, y =az+cx, z = bx+ay then prove that x^2/(1-a^2)=y^2/(1-b...
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- State and Prove Pythagoras theorem.
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- Prove that the tangent and the radius through the point of contact of ...
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- Two tangents are draw from an external point A to the cirle with centr...
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- ABC is a right angled triangle whose angleA = 90^@, AD is perpendicula...
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