jee-advanced 2009 Q28

jee-advanced · India · paper1 Permutations & Arrangements Forming Numbers with Digit Constraints
The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is
(A) 55
(B) 66
(C) 77
(D) 88 
The number of seven digit integers, with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only, is\\
(A) 55\\
(B) 66\\
(C) 77\\
(D) 88
Paper Questions
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