In a parliamentary debate, a bill was being passed. 600 votes were cast initially but after some discussion, the opposition to the bill went up by 150%. The bill was then rejected by a majority 2 times as great as that by which it was passed previously. How many people rejected the bill initially?
There are totally 600 voters, so after the number of people who initially rejected increases by 150%, it must still be below 600. That is true only for option (d).
Verifying the answer chosen:
Initially,
Against = 200, for = 400. Hence, majority = 400-200 = 200
After discussions,
Against =200+1.5×200=500 , for = 600-500 = 100. Hence, majority = 500-100 = 400, which is twice the initial majority. Thus, this is correct answer.
Alternatively:
There are totally 600 voters. Let number of peole, who were in Against = A, and who were in favour = F. Hence, majority = F - A
F + A = 600
After discussions,
The opposition to the bill went 150% . Aganist = 2.5 A, Favour =600−2.5A
According to given question,
2[600−2.5A]=[600−2A]⇒A=200 and F=400.