Others Maths Puzzle

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arrenge the nos in format in which sum at any angle is 15

Read Solution (Total 2)

Others Other Question

If the letters of the word "rachit" are arranged in all possible ways and these words are written out as in a dictionary,
what is the rank of the word "rachit".
How many such pairs of letters are there in the word FOREHAND each of which have as many letters between them in the word as they have in the English alphabet?
(a) None (b) One (c) Two (d) Three (e) More than three