Day 349: CDS Maths

1. A.
   $\frac{n}{xy}$
2. B.
   $\frac{ny}{x}$
3. C.
   $\frac{nx}{y}$
4. D.
   $\frac{xy}{n}$

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1. A.
   It cannot be written as the sum of the cubes of two positive integers
2. B.
   It can be written as the sum of the cubes of two positive integers in one way only
3. C.
   It can be written as the sum of the cubes of two positive integers in two ways only
4. D.
   It can be written as the sum of the cubes of two positive integers in three ways only

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1. A.
   $r^2$ square units
2. B.
   $2r^2$ square units
3. C.
   $3r^2$ square units
4. D.
   $4r^2$ square units

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1. A.
   9
2. B.
   8
3. C.
   5
4. D.
   4

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1. A.
   4
2. B.
   6
3. C.
   8
4. D.
   10

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