0 votes 0 votes Directions $(3-5) :$ In each of the following questions, one number is wrong in the series. Find out the wrong number. $1, 9, 25, 49, 86, 121 :$ $25$ $121$ $166$ $86$ Others nielit2021dec-scientistb + – soujanyareddy13 asked Dec 7, 2021 • edited Dec 15, 2021 by soujanyareddy13 soujanyareddy13 241 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes The given series is having square value of odd number like $1,3,5,7,9,11...$ $1^2=1$ $3^2=9$ $5^2=25$ $7^2=49$ $9^2=81\rightarrow(86)$ which is wrong here. $11^2=121$ So option $(D)$ is correct here. Hira Thakur answered Dec 7, 2021 Hira Thakur comment Share Follow See all 0 reply Please log in or register to add a comment.