সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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?
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?
- ক. 45
- খ. 75
- গ. 90
- ঘ. 105
সঠিক উত্তরঃ 45
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, what is the ratio between A to D?
- 35% of Tahia's income is equal to 25% of Noria's income. The ratio of their income is--
- 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:
- A jar contains white, red and green marbles in the ratio 2 : 3 : 4. Five more green marbles are added to make the ratio 2 : 3 : 5. How many white marbles are there in the jar?
- Whichof the ratio is the greatest?
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Subject
Topic
Ratio, Proportion and Partnership