Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth term is related to the sixth term.
18 : 234 :: ? : 176 :: 14 : 126
Answer & explanation
Correct answer: option 4
Pattern followed here is :
2nd number = (1stnumber)2 - (1st number × 5 )
Apply this pattern to given series :
18 : 234
2nd number = (18)2 - (18 × 5 )
= 324 - 90
= 234
& 14 : 126
2nd number = (14)2 - (14 × 5 )
= 196 - 70
= 126
Similarly ,
? : 176
176 = (X)2 - (X × 5 )
(X)2 - (X × 5 ) - 176 = 0
On solving ,
X = 16
16 is correct answer .