181
270
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.
Eleven 1 + 1 = 2 1 x 1 = 1
150 pounds approximately equals 68,038.855 grams
2
181
49, 67, 85
181
6
150000 grams equals 150 kilograms.
270
81
36 two digit numbers can be formed...(:From Rafaelrz: The question can be stated as;how many permutations of two different digits can beobtained from a set of six different digits ?Answer:nPr equals n!/(n-r) ...... for n = 6, r = 26P2 equals 6!/(6-2)! equals 30 Permutations.
1 and 150, 2 and 75, 3 and 50, 5 and 30, 10 and 15.
192-y equals 150 = 42
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.