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
- In a school the ratio of boys to girls is 3 : 7. If there are 150 boys and girls in the school, how many boys are there?
- If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, what is the ratio between A to D?
- Whichof the ratio is the greatest?
- A certain 90-miles trip took 2 hours. Exactly 1/3 rd of the distance was traveled by rail and this part of the trip took 1/5 th of the travel time. What was the average rate in miles per hour of the rail promotion trip?
- In a 500m race, the ratio of the speeds of two comtestants A and B is 3 : 4. A has start of 140m. Then A wins by:
There are no comments yet.
Subject
Topic
Ratio, Proportion and Partnership