defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Permutations and Combinations Word Problems
Two numbers are chosen from 1, 3, 5, 7,… 147, 149, and 151 and multiplied together in all possible ways. The number of ways that will give the product a multiple of 5 is
1
1020
2
435
3
1380
4
945