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The cost of 21 pencils and 9 clippers is Rs.819. What is the total cost of 7 pencils and 3 clippers together?

Correct Answer:

A) Rs.204 |

B) Rs.409 |

C) Rs.273 |

D) Rs.208 |

Correct Answer:

C) Rs.273 |

Description for Correct answer:

Let cost of 1 pencil and 1 clipper be p and c, respectively

Now. according to the question,

\( \Large 21p + 9c = Rs.819 \)

\( \Large 3 \left(7p+3c\right)= Rs.819 \)

\( \Large 7p + 3c = Rs.273 \)

Cost of 7 pencils and 3 clippers = Rs.273.

Let cost of 1 pencil and 1 clipper be p and c, respectively

Now. according to the question,

\( \Large 21p + 9c = Rs.819 \)

\( \Large 3 \left(7p+3c\right)= Rs.819 \)

\( \Large 7p + 3c = Rs.273 \)

Cost of 7 pencils and 3 clippers = Rs.273.

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