GATE Mechanical Engineering (ME) 2018 Shift 2 Solved Paper

I. 51,54,57, but none of them is multiple of 4, hence none is valid
II. 61, 62, 63, 65, 66, 67, 69: 63, 66 and 69 are multiple of three hence not valid.
Rest 61, 62, 65, 67 are not a multiple of 6, Hence not valid
III. 70, 71, 73, 74, 75, 76, 77, 79: 75 is multiple of three, hence not valid.
Except 76 none is a multiple of 4, hence only 76 is a valid entry