Calculate the ratio of girls to boys if nine-fifth of the students in the class are boys.
A. 4.5
B. 406
C. 4.57
D. 4.25
Explanation:
Related Questions (Any University/Year)
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
- Saim is now 14 years older than Siam. In 10 years, Saim will be twice as old as Siam.How old will Saim be in 7 years?
- There is 50% chance that Rafiq will go to a fast-food restaurant for lunch and 50% chance that he will skip lunch. If he goes to a fast-food restaurant there is 60% chance that he will take only a sandwich and nothing else. If he decides not to take a sandwich, he will take a burger of a chicken pie. What is the probability that he will take a burger?
- X sells a product of Y and makes a profit of 25%. Y sells it to Z at a loss of 20%. If Z buys it for tk. 140 what price X paid for it?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- 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?
- একটি ঝুড়িতে আপেল এবং কমলা মিলিয়ে ৩৩টি ফল আছে। প্রতিটি আপেল এবং কমলা ১৮ টাকা দরে কেনা হয়েছে। সবগুলো ফল কিনতে যদি ৫৯৪ টাকা খরচ হয় এবং আপেল এর চাইতে ৫টি কমলা কম থাকে তবে ঝুড়িতে কয়টি আপেল ছিল?
- চিত্রে DE || BC. একটি ত্রিভুজ ADE এর ক্ষেত্রফল DECB ট্রাপিজিয়ামের ক্ষেত্রফলের অর্ধেক হলে AE : AC কত?
- in an exam, 90% passed History and 85% passed English if none of the students failled in both subjects and 225 passed in both subjects, calculate the number of students who have attended the exam.
- A certain integer n when divided by 5 yields a remainder of 4. Which of these cannot be an integer?
- Jasim went for shopping and spent 1/3 of his money for a bat and another Tk 5 for a ball. If Jasim still had 1/2 of his money left, how much money did Jasim have originally?
- The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-
- A bus uses one gallon of petrol to travel 15 km. After a tune-up, the bus travels 15% farther on one gallon. How many gallons of petrol will it take for the bus to travel 150 km after a tune-up?
- The average weekly salary per head of all employees is tk .1000 (Supervisors and labours). the average weekly per head salary of all supervisors is TK. 6000 while the average weekly salary per head of all labours is TK .750 ,if there are 840 labours in it find the number of supervisors
- 84, 40, 18, ?
- A shopkeeper marks an article at such a price that after allowing a discount of 30% on the tag price (including tax) he makes a profit of 40%. If the tag price of the article including tax is Tk. 460, then the cost price of that article is -
- 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?
- Instructions: Each question consists of a problem followed by two statements. Decide whether the data in the statements are sufficient to answer the question. Eshan and Arnob have the same birthday. Arnob's age now is the same as Ehsan's age was when Arnob was half as old as Ehsan is now. What is Ehsan's age now? (1) Ehsan is currently four times as old as he was when Arnob was born. (2) Ehsan was six years old when Arnob was born.
- পাঁচটি বিড়াল পাঁচটি ইঁদুর ধরতে সময় নেয় পাঁচ মিনিট। ৩০টি বিড়াল ৩০ টি ইঁদুর ধরতে কত সময় নেবে?
- If the car starts journey from 'C' to 'D' at 12 am, at which time will it be back to 'C' (the car does not stop at D)?