Question

A person in his seventies
(a) Sexagenarian
(b) Septuagenarian
(c) Centurion
(d) Patriarch

Answer 1

Hey mate, here is your answer :-)

✔✔A person in his seventies is septuagenarian...✔✔

HOPE it helps to you!!!✌✌

Answer 2

HELLO MATE ☺
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Ques...A person in his Seventies ?
➡️ A person in his Seventies is called SEPTUAGENARIAN...

SO, Option (c) is correct ✔✔
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HOPE IT HELPS U✌✌
^_^