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)
- If X4=81 and Y2= 49, then maximum possible value for Y-X is
- An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen. The engineer dropped the ball from a 16-meter platform and caught it after it had traveled 46.5 meters. How many times did the ball bounce?
- যদি 2 × 3 = 812, 4 × 5=1620 হয় তবে 6 × 7 = কত?
- The members of an association decided to contribute equally to create a fund of Tk. 45,000. Five members refused to contribute, so each of the other members had to contribute additional tk. 15 for that fund. How many members were there in the association?
- Amio, working alone, can finish a certain job in 10 days; and Somio, working alone, can finish the same job in 15 days. If Amio and Somio are working together how many days do they need to finish the job?
- If 14 farmers plough a field in three hours, how long will it take if 15 farmers to do the same job?
- A large tanker can be filled by two by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill together for the other half?
- The owner of an apple orchard ships apples in boxes that weight 2 kg when empty. The average apple weight 0.25 kg. and the total weight of a box filled with apples is 12 kg How many apples are packed in each box?
- By what percent was the price of a certain television set discounted for a sale?
- You can now purchase 5 more bananes with tk. 75 due to a reduction in price by 20% Calculate the current price of one dozen of bananas
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রীর গড় CGPA ৪.৭২। এই ৯০ জন ছাত্র-ছাত্রীর গড় CGPA কত?
- In a store, the ratio of red socks to green socks is 3:2. The socks are made of either cotton or wool. If 60% of the red socks are made of cotton and 80% of the green aocks are made of wool, what percentages of socks are made of cotton?
- 6 points of 20% solution of alcohol in water are mixed with 4 points of a 10% alcohol in water solution.The percentage alcohol in the new solution is
- If y% of x is 29. Then x =?
- যদি '+' মানে 'x','-' মানে '+', 'x' মানে '÷' এবং '÷' মানে '-' হয়, তাহলে মান নির্ণয় করুন; \(6-9+8\times3\div20=......\)
- In a Class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
- On a wildlife reserve, the ratio of giraffes to zebras is 37:43. If there are 300 more zebras than giraffes, how many giraffes are on the wildlife preserve?
- If X4=81 and Y2=49, then maximum possible value for Y-X is
- Out of their annual net income, a couple spent 25 percent for food, 13.5 percent for entertainment, 20 percent for housing, 8 percent for car expenses, 15 percent for clothing, and saved the rest. What was the ratio of the amount saved to the amount spent for entertainment?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- During a particular day, x number of applicants came to IBA to submit their applications before lunch. Of them 70% were male applicants. On the same day, y number of applicants came to submit their application after lunch and all of them were male applicants. On that particular day , the ratio of male applicants to female applicants was 4:1. Calculate y in terms of x.
- If a man's weekly salary is Tk. P and he saves Tk. M, what faction of his weekly salary does he spend?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. Arif can do a work in 12 hours. Arif finished two-thirds of the work and the remaining portion of the work was done by Babu, whose rate of working is just 20% of what Arif can do. How long did it take Babu to finish the remaining work in hours?
- B and C are points on a straight-line AD, where AB = BC = CD. What percent of AC is AD?
- ♠️n denotes the number obtained when n is rounded to the nearest 10th. For example ♠️4.31 = 4.3 ♠️0.089 - ♠️1.135 =
- X is 10 years older than his wife who is 4 times as old as her son. if the son was 5 years back become 4, what is the age of X?
- The total price for a watch and a chain is Tk. 500. if the price of the watch increases by 10% and that of the chain by 5%, the total price becomes Tk 545. What is the price of the chain?
- A room at Zaber Hotel International can accommodate 4 people. The rate is 3900 one person and Tk. X for each additional people. If 3 people take the room for one night and pays Tk. 2100 per person, what is the value of X?
- A discount of 20 percent on an order of goods followed by a discount of 10 percent amounts to
- A man travels for 6 hours at a rate of 50 miles per hour. His return trip takes him 7.5 hours. What is his average speed for the whole trip?
- The price of a Laptop is 120% of its cost. The laptop was sold at 10% discount on the price, If the profit is Tk. 2400, what was the cost of the laptop is Tk.?
- One copy machine can make 20 copies a minute, and a second copy machine makes 15 copies a minute. If the two copies work together, how long would it take them to make 2100 copies?
- Arif can do a particular work in 1 hour while Asif can do the same work in 1.5 hours . On a particular day, they work together for half an hour, after which Arif left and Asif had to finish the rest of the work alone. How much time in minutes will Asif require to finish the rest of the work ?
- When x is divided by 7, the remainder is 6.Which of the following must be an even number ?
- The first term in a sequence is x. Each subsequent term is three less than twice the preceding term. What is the 5th term in the sequence?
- Three sixteenths of a pole measures 54 inches in length. Then what is the length of the pole in feet?
- In a certain game, each of the five players received a score between 0 and 100 inclusive. If their average was 80, what is the greatest possible number of 5 players who could have received a score of 50?
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- A fruit vendor purchased 35 dozens of apple at TK. 10 per dozen. Out of those, two dozens got rotten and he sold 28 dozens at Tk. 12 per dozen. Remaining apples were sold by him for TA. 15 per dozen. Find the amount of total profit made by the vendor in this business.
- Real Madrid has won 40 games out of 60 played. It has 32 more games to play. How many of these must the team win to make its record 75% win for the season?