Question

there are 25 points on a plane of which 7 are collinear. Now solve the following: 69. How many 7-digit numbers are there having the digit 3 three times and the digit 0 four times (a) 15 (b) 3 4 3 4  (c) 18 (d) None of these​

Answer 1

Answer:

I think is answer is (b) option