Number of natural numbers up to 1 lakh, which contains 1, 2, 3 exactly once and remaining digits any time is
a. 2940
b. 2850
c. 2775
d. 2680
Number of natural numbers up to 1 lakh, which contains 1, 2, 3 exactly once and remaining digits any time is
a. 2940
b. 2850
c. 2775
d. 2680










