46. The covariance matrix for a portfolio is given below.

Security | A | B |

A | 480 | 140 |

B | 140 | 600 |

- Option : A
- Explanation : Standard Deviation of A = √480= 21.91 Standard Deviation of B = √600 = 24.49 Corelation = 0.26

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- Option : C
- Explanation : The total portfolio return is calculated as the weighted average return of the portfolio constituents. Portfolio return = (0.6 * 0.35) + (0.4 * 0.15) = 0.27 = 27.0%

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49. The table below shows weighting and returns of different asset classes comprising a portfolio:

Asset class | Asset allocation (weight) (%) | Asset class return (%) | Correlation with equities class (%) |

Equities | 65 | 22 | 100 |

Bonds | 30 | 8 | 30 |

Cash and equivalents | 5 | 1 | 25 |

- Option : B
- Explanation : The portfolio return is the weighted mean return and is calculated as:0.65 * 22 + 0.30 * 8 + 0.05 * 1 = 16.75.

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Company | Expected Return | Standard Deviation |

Gala Cement | 10% | 8% |

Aqua Fertilizer | 17% | 20% |

- Option : B
- Explanation : Systematic risk cannot be reduced.

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