These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
In a class of 30 students, the ratio of boys to girls is 3:2. After some girls join, the ratio becomes 1:1. How many girls joined?
Question:
In a class of 30 students, the ratio of boys to girls is 3:2. After some girls join, the ratio becomes 1:1. How many girls joined?
In a class of 30 students, the ratio of boys to girls is 3:2. After some girls join, the ratio becomes 1:1. How many girls joined?
Options
Answer: (C) 6
Explanation:
Initial ratio 3:2 → boys = 18, girls = 12. To make ratio 1:1, girls must become 18. Girls joined = 6.
Explanation:
Initial ratio 3:2 → boys = 18, girls = 12. To make ratio 1:1, girls must become 18. Girls joined = 6.
👉 Want AI explanation? Open in MCQ App
Recommended articles
- Hppsc Previous Year Questions (2021–2025) Free Practice — Practice HPPSC Himachal Pradesh PSC Prelims Paper 1 Previous Year Questions (2021–2025) online at UPSC Quizroom. Bilingual Hindi-English, AI explanations,…
- Daily Upsc Mcq Strategy — '); animation: float 20s ease-in-out infinite; pointer-events: none; } @keyframes float { 0%, 100% { transform: translate(0%, 0%) rotate(0deg); } 50% {…
- Free Cat Previous Year Questions Guide — Master CAT 2025 with free previous year questions. Practice 1000+ PYQs, mock tests, and detailed solutions. Complete guide to CAT preparation using past…