engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Quantitative Aptitude Permutation and Combination
One non-zero digit, one vowel and one consonant from English alphabet (in capital) are to be used in forming passwords, such that each password has to start with a vowel and end with a consonant. How many such passwords can be generated?
1
105
2
525
3
945
4
1050