CAT Exam

"1,3,9,31,129,?"

Read Solution (Total 2)

(1*1)+2=3
(3*2)+3=9
(9*3)+4=31
(31*4)+5=129
(129*5)+6=651
11 years agoHelpfull: Yes(7) No(0)

1*1+2=3
3*2+3=9
9*3+4=31
31*4+5=129
129*5+6=651
11 years agoHelpfull: Yes(3) No(0)

CAT Other Question

1,3,9,31,129,? average of five numbers is 50.average of first and second number is 45,average of third and fourth number is 58.what is the third number?