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A) Rs.25 |

B) Rs.23 |

C) Rs.21 |

D) Rs.20 |

Correct Answer:

C) Rs.21 |

Description for Correct answer:

Let the C.P. of article be Rs. 100

Now discount of 20% is given on C.P

SP = Rs. 80

Now here SP = Rs. 24

C.P. of an article = Rs \( \Large \left(\frac{24 \times 100}{80} \right) \) = Rs. 30

Now 30% discount is given original C.P. of an article

SP of article = Rs.(30 -9) = Rs 21

Let the C.P. of article be Rs. 100

Now discount of 20% is given on C.P

SP = Rs. 80

Now here SP = Rs. 24

C.P. of an article = Rs \( \Large \left(\frac{24 \times 100}{80} \right) \) = Rs. 30

Now 30% discount is given original C.P. of an article

SP of article = Rs.(30 -9) = Rs 21

Part of solved CDS Maths(1) questions and answers : Exams >> CDSE >> CDS Maths(1)

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