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EDUCART PUBLICATION-SAMPLE PAPER 13-PART - B (SECTION - III)
- If n is an odd positive integer, show that (n^2-1) is divisible by 8.
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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...
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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 verticles (0,0),(a,0),(a,...
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- AB is a line segment of length 8 cm. Locate a point C on AB such that ...
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- The sum of circumferences of two circles is 132 cm. If the radius of o...
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- A person goes to his office by using different means of transport on d...
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