Study the given pattern carefully and select the number that can replace the question mark ( ?) in it . First row -12 , 25, 19 Second row -35 , 50 , 60 Third row 24, 70, ? ( NOTE Operations should be performed on the whole numbers , without breaking down the numbers into its constituent digits . E.g. 13 Operations on 13 such as adding / deleting / multiplying etc. to 13 can be performed . Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed ) ( a) 58 ( b) 46 ( c) 30 ( d )34