17 .
On what sum of money lent out at 9% per annum simple interest for 6 years does the simple interest amount to Rs. 810

A. | 500 Rs. | B. | 1000 Rs. |

C. | 1500 Rs. | D. | 2000 Rs. |

18 .
Find the principal which yields a simple interest of Rs. 20 and compound interest of Rs. 21 in two years, at the same percent rate per annum?

A. | Rs. 190 | B. | Rs. 200 |

C. | Rs. 220 | D. | Rs. 240 |

19 .
A sum of Rs. 4000 amounts to Rs. 4600 in 5 years at a certain rate of simple interest. What would be the amount, if the rate of interest is increased by 3 %.

A. | Rs. 5800 | B. | Rs. 5400 |

C. | Rs. 5200 | D. | Rs. 5000 |

20 .
Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8110/-. Find out the amount that he borrowed.

A. | 5,128 Rs. | B. | 5,266 Rs |

C. | 5,376 Rs. | D. | None of the above |

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