Select the option that is related to the fifth number in the same way as the first number is related to the second number and third number is related to fourth number.
19 : 359 :: 17: 287 :: 21 : ?
Answer & explanation
Correct answer: option 2
19 : 359 :: 17: 287 :: 21 : ?
The logic followed here is :
Ist number2 - 2 = IInd number
As
19 : 359
192 -2
= 361 - 2 = 359
and 17 : 287
172 -2
= 289 - 2 = 287
Smilarly
21 : ?
212 -2
= 441 - 2 = 439