Challenger App

No.1 PSC Learning App

1M+ Downloads
12 : 143 : : 19 : ?

A391

B371

C360

D390

Answer:

C. 360

Read Explanation:

12²-1=143 19²-1=360


Related Questions:

5 : 126 : : 9 :
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 15 : 4913 : : 8 : ? : : 11 : 2197
Select the pair that follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern. UTR−TSQ POM−ONL
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. 12 : 145 :: 9 : 82 :: 11 : ?
KIT 20 is related to PRG 50 in a certain way. In the same way, ENT 16 is related to VMG 40. To which of the following is MFG 18 related following the same logic?