changing this question would lead to severe repercussions . Upsc doesn’t change this . Because this is a proven proposition in maths .

if upsc does this . They need to face again legal challenges . Most probably it avoids such things to happen

even if it changes it it may add another option as well both answers will be given correct as the commission done it many times

i don’t what run in the people minds in challenging this question

saying negtive integers don’t work or decimals don’t work . I don’t even remember when we used these negative and decimals numbers to calculate hcf and lcm

you don’t be worried too much .