Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
34 : 169 :: 42 : 209 :: 28 : ?
Answer & explanation
Correct answer: option 2
Pattern followed is :
Second number = First number × 5 - 1
34 : 169
34 × 5 - 1 = 170 - 1 = 169
42 : 209
209 = 42 × 5 - 1 = 210 - 1 = 209
28 : ?
= 28 × 5 - 1 = 140 - 1
= 139 (satisfied)
139 , is correct answer .