Day 346: CDS Maths

1. A.
   12 cm and 5 cm
2. B.
   24 cm and 10 cm
3. C.
   60 cm and 25 cm
4. D.
   30 cm and 12.5 cm

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1. A.
   Decimal expansion of a rational number is terminating.
2. B.
   Decimal expansion of a rational number is non-terminating.
3. C.
   Decimal expansion of an irrational number is terminating.
4. D.
   Decimal expansion of an irrational number is non-terminating and non-repeating.

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1. A.
   Centroid
2. B.
   Circumference
3. C.
   Incentre
4. D.
   Orthocentre

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1. A.
   $\frac{\pi r^2}{16}$
2. B.
   $\frac{r^2}{2} - \frac{\pi r^2}{8}$
3. C.
   $\frac{r^2}{2} - \frac{\pi r^2}{16}$
4. D.
   $\frac{r^2}{4} - \frac{\pi r^2}{8}$

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1. A.
   36
2. B.
   37
3. C.
   38
4. D.
   39

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