1.

11 24 67 122 219 ? what comes next​

Answer»

Step-by-step explanation:

A=11 ----1

A+D=24 -----2

A+2D=67 ----3

A+3D=122 ----4

A+4D=219 ----5

Add 1 and 2 and 3 and 4 and 5,

A+A+A+A+A+D+2D+3D+4D=11+24+67+122+219

5A+10D=443

5*11+10D=443

10D=443-55

D=38.8

HOPE THIS HELPS YOU ?



Discussion

No Comment Found

Related InterviewSolutions