11 .
A sum of money trebles itself in 15 years 6 months. In how many years would it double itself?

A. | 1 year 11 months | B. | 2 years 7 months |

C. | 4 years 3 months | D. | 7 years 9 months |

12 .
The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is:

A. | 6000 Rs. | B. | 7000 Rs. |

C. | 8000 Rs. | D. | 9000 Rs. |

13 .
At what rate percent per annum will the simple interest on a sum of money be 5 of the amount in 10 years?

A. | 2% | B. | 4% |

C. | 10% | D. | 18% |

14 .
How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40%?

A. | 2 Years | B. | 4 Years |

C. | 8 Years | D. | 10 Years |

15 .
Find SI if P = Rs. 1000, R = 20% per annum, T = 4 yr

A. | 800 Rs. | B. | 810 Rs. |

C. | 840 Rs. | D. | 880 Rs. |

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