engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Permutation and Combination
From a group of 7 laptops, 6 mobile phones and 8 watches, 4 gadgets are to be chosen such that there is at least one gadget of each type. In how many ways can it be done?
1
1512
2
2276
3
3024
4
4118