Topics

A) 3 |

B) 5 |

C) 7 |

D) 15 |

Correct Answer:

C) 7 |

Description for Correct answer:

HCF of (171-3) and (251-6) to find HCF of 168, 245

\( \Large 168 = 2 \times 2 \times 2 \times 3 \times 7 \)

\( \Large 245 = 5 \times 7 \times 7 \)

HCF of 168 and 245 is 7.

The greatest number which divides 171 and 251 leaving remainders 3 and 6 respectively is 7.

HCF of (171-3) and (251-6) to find HCF of 168, 245

\( \Large 168 = 2 \times 2 \times 2 \times 3 \times 7 \)

\( \Large 245 = 5 \times 7 \times 7 \)

HCF of 168 and 245 is 7.

The greatest number which divides 171 and 251 leaving remainders 3 and 6 respectively is 7.

Part of solved LCM and HCF questions and answers : >> Elementary Mathematics >> LCM and HCF

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