Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number. 21 : 112 :: 36: ? :: 51: 272

192 252 72 198

192

21 : 112 :: 36: ? :: 51: 272 The logic followed here is 21 (7 × 3) : 112 (16 × 7) 51 (17 × 3) : 272(16 × 17) Similarly 36 (12 × 3) : 192 (16 ×12)