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Q. |
## What is the length of the longest palindromic subsequence for the string “ababcdabba”? |

A. | 6 |

B. | 7 |

C. | 8 |

D. | 9 |

Answer» B. 7 | |

Explanation: the longest palindromic subsequence is “abbabba” and its length is 7. |

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