Question

How many distinct arrangements of the letters in MANANGATANG are there in which the first two letters include an M or a T (or both)?

Note:

- MANANGATANG has 11 letters (one M, one T, two Gs, three Ns and four As).

- These are all the possible positionings of T and M in the first two positions:

M
	M
T
	T
M	T
T	M

PLEASE SHOW FULL LEGIBLE WORKING.

Answer 1