Solve Cryptarithms. A 1 + 1 B B 0

Simplify the following and express the result as a rational number in standard form:
$\frac{7}{6}\times\frac{-3}{28}$

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Write the additive inverse of the following rational number:
-1

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Draw an appropriate graph to represent the given information.

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Find the $S.P.$ if: $M.P. = Rs. 5450$ and discount $= 5\%$

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Find the square roots of the following number by the prime factorisation method.
7744

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Without doing any calculation, find the number which are surely not perfect squares.
441

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Each interior angle of a polygon is $108^{\circ}.$ Find the number of sides of the polygon.

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Write the following numbers in standard form:
$57.36$

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Which of the following numbers have the digit 6 in the units place?
74²

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$329.25=3 \times 10^2+2 \times 10^1+9 \times 10^0+2 \times 10^{-1}+5 \times 10^{-2}$

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Answer