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?
- A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk.30 each. If the man spends exactly Tk.810 and buys the maximum number of shirts possible under these condition, what is the ratio of shirts to ties?
- A certain amount is distributed among A, B and C. A gets 3/10 and B gets 1/4 of the whole amount, If C gets Tk. 81, then B gets:
- Two-fifths of the caps in box are red, one-fourth is blue and the rest are green. What is the ratio of the green caps to the blue caps?
- A room has a floor area of 150 sq. feet. If the length & breadth of the room are in the ratio 3 : 2, then what is the length of the floor in feet?
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Subject
Topic
Ratio, Proportion and Partnership