Decrease 900 by 30%. Result is: MCQ with Answer and Explanation

Explanation:
x - 0.4x = 0.6x = 510 → x = 850, 10% = 85.

Explanation:
(1.6N)/(0.8D) = 2N/D = 5/8 → N/D = 5/16. Wait, 2N/D = 5/8 → N/D = 5/16. That's option B. So I'll set correct B. But I have options: 3/8, 5/16, 5/12, 7/16. So B. I'll adjust options: A 3/8, B 5/16, C 5/12, D 7/16. So answer B.

Explanation:
Loser = 35%, Winner = 65%. Difference = 30%. 30% of Total = 1500. Total = 5000.