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AGRAWAL PUBLICATION-Sample paper 13-EXERCISE
- If n is a positive odd integar, then show that n^2 - 1 is divisible by...
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- Check whether 15^n can end with digit zero for any natural number n.
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- Show that the roots of the quadratic equation: (b-c)x^2 + (c-a)x + (a...
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- If P(5,7), Q(x,-2) and R(-3,y) are collinear points such that PR=2PQ, ...
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- Prove that the diagonals of a rectangle with vertices (0,0), (a,0),(a,...
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- Draw a line segment AB of length 7 cm . Locate a point R on AB such th...
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- The sum of circumferences of two circles os 132 cm. If tha radius of o...
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- In a car park, there are 125 cars, 3p otorbikes, 2q lorrie and 20 buse...
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- Find the HCF and the LCM of 72 and 120 , using prime factorisation met...
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- Express the length of a side of the n^(th) frame in terms of x and n.
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- Find the value of x.
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- A piece of wire is 99 cm long. It is cut bent into a frame in the sequ...
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- If the roots of the equation x^2+2cx + ab +0 are real and unequal, pro...
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- Let A(4,2), B(6,5) and C(1,4) be the verticles of triangleABC. The med...
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- if tan theta = 12/13, evaluate (2 sin theta cos theta)/(cos^2 theta- s...
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- If sec theta + tan theta = m, prove that (m^2 + 1)/(m^2- 1) = sin thet...
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- A sphere of diameter 6 cm is dropped in a right circular cylinderical ...
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- From the first floor of Qutab Minor, which is at a height of 25 m from...
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- Prove that the line segments joining the mid-pointd of the sides of a ...
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- A piece of cloth costs Rs. 35. If the piece were 4m longer and each me...
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