সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black shoks was 2 : 3 : 5. How many black socks were in the washing machine?
After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black shoks was 2 : 3 : 5. How many black socks were in the washing machine?
- ক. 21
- খ. 15
- গ. 9
- ঘ. 6
সঠিক উত্তরঃ 15
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Business partners A, B and C agree to divide their total profit for the year in the ratio 4 : 7 : 8 respectively. If A's share of the profit is Rs.16000, what was the total profit of the business partners for the year?
- Saif, Dr. Nazma and Shakil divided a sum of money among themselves in the ratio 2 : 3 : 7. Find the share of Saif if the total sare of Saif and Dr. Nazma together is Tk.1500 less than that of Shakil?
- X and Y invested in a business. They earned some profit which they divided in the ratio of 2 : 3. If X invested Tk. 40,000 the amount invested by Y is:
- If x : y = 5 : 3, then (8x – 5y) : (8x + 5y) =?
- A football team had a ratio of win to loss of 3 : 1. After wining 6 games in a row the team's ratio of win to loss became 5 : 1. How many games had the team won before it the six games?
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Subject
Topic
Ratio, Proportion and Partnership