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 fourth number is related to third number. 121 : 145 :: 49 : 65 :: 169 :?
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.