https://foxoyo.com/mcq/21901/read-the-following-letter-number-sequence-carefully-and-answer-the-question-given-below-7-3-p-n-4-2-6-3-1-m-l-b-t-4-5-g-a-c-d-f-j-k-1-9-8-2-four-of-the-following-five-are-alike-in-a-certain-way-and-hence-form-a-group-which-is-the-one-that-does-not-belong-to-that-group