The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is.
A. 600
B. 650
C. 675
D. 700
E. 500
সঠিক উত্তরঃ
C.
675
Explanation:
Related Questions (Any University/Year)
- In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race?
- A trader normally makes a profit of 40 % on items he sells . If he reduces the price by 10% his sales increased by 40% . Let x be the total profit when he doesn't reduce the price and y the total profit when he reduces the price what is the ratio of y to x ?
- A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
- If Masud can do a job in P days, while Minhaz can do the same job in Q days separately, how long will it take to finish the job if they work together?
- The average age of 11 players of a cricket team is decreased by 2 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is
- Terra Data asked a team of workers to finish a project. After 16 days, 25% workers left. Remaining workers took the same number of days to finish rest of the work that the original team would have taken to complete the entire project. In how many days was the entire project finally completed?
- A motorist travels x miles in y hours and z minutes. What is his average speed in miles per hour?
- A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
- 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
- একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময়ে ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায়, কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
- Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
- How many flowers are there if all of them are roses except two , all of them are tulips except two and all of them are daisies except two?
- একটি ভর্তি পরীক্ষায় একজন শিক্ষার্থীর প্রতিটি সথিক উত্তরের জন্য ১ নম্বর অর্জন করে এবং প্রতিটি ভুল উত্তরের ০.৫ নম্বর হারায়। কোন শিক্ষার্থী যদি ৬০ টি প্রশ্নে সবকটির উত্তর দিয়ে ৩০ নম্বর অর্জন করে থাকে , তাহলে ,উক্ত শিক্ষার্থী কয়টি প্রশ্নের সঠিক উত্তর দিতে পেরেছে?
- ২২, ২১, ২৩, ২২, ২৪, ২৩, ... পরবর্তী সংখ্যা কোনটি?
- A man traveled one-fourth of the total distance of his trip by car . He traveled the remaining distance on foot . The ratio of his walking time to driving time was 15:1 . Calculate the ratio of his driving speed to his walking speed .
- In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?
- Polash started 'a business on the first day of 2008. Qader joined the business of Polash on partnership contract with double investment of Polash on July 1 of 2008. Sohel, on the first day of September 2008, joined the partnership business of Polash and Qader with thrice the investment of Polash. The firm earned a profit of Tk. 72,000 on 31st December, 2008. What will be the share of profit of Sohel?
- Three partners A, B, C invest Tk.26000, Tk.34,000 and Tk.10000 respectively in a business. Out of a profit of Tk. 3500, B's share is
- In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?