A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of train?
A. 400 m
B. 500m
C. 200m
D. 800m
সঠিক উত্তরঃ
C.
200m
Explanation:
Related Questions (Any University/Year)
- Which of the following is greater than 2/3
- By selling goods for Tk. 153, Shabit loses 10%. For how much should he sell them to gain 20%?
- If 7x - 5y = 13 and 2x7y: = 26, then 9x -12y=?
- Anwar can fill a pool with buckets of water in 30 minutes, Bobby can do the same job in 45 minutes, and Dipu can do the same job in \(1\frac{1}{2}\) hours. How quickly can all three fill the pool together (in minutes)?
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- A sport goods store ordered an equal number of white and yellow tennis balls. The tennis ball company delivered 30 extra tennis ball, making the ratio of white balls to yellow balls 6:5, How many tennis ball did the sport goods store originally order?
- ৫০ পয়সা ১০০ টাকার কত ভগ্নাংশ?
- Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on the first stop?
- A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is:
- A class of 50 girls and 60 boys sponsored a football game. If 52% of the girls and 30% of the boys attended the game, what percentage of the class went to the game?
- Sadman has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount?
- The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- Three workers can do a job in 12 days. One of the workers works twice as fast as each of the other two. How long would it take the faster worker to do the job alone?
- The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
- Instruction: Each problem consists of a question followed by two statements. Decide whether the data in the statements are sufficient to answer the question. Dipu (D) is 15 years older than his brother Enam (E). \((D = E + 15)\). How old is Dipu? (1) Twenty years ago, Dipu's age was twice that of Enam. (2) Ten years later, Enam's age will be \(\frac{3}{4}\) (assuming the symbol is a typo for a fraction like \(\frac{3}{4}\) or the solution is based on the logic of sufficiency) that of Dipu.
- Rectangle ABCD has a perimeter of 26. The half circle with diameter AD has an area of 8π. What is the perimeter of the part of the figure that is not shaded?
- A certain recipe calls for 3kgs of sugar for every 6 kgs of flour. If 60kgs of this sweet has to be prepared, how much sugar is required?
- A 60 litre mixture of sugar and water contains sugar and water in the ratio 2:3. How many litres of the mixture should be replaced by sugar so that the ratio of sugar and water become 1:1?
- Diana bought a stereo for $530, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring state where she would have paid a sales tax of 5 percent?
- তাজক ভাগকলের ১০ গুল, তাজক ০ হলে ভাজ্য কত?
- If X and odd negative integer and Y is an even position integer then XY must be------.
- ৩৫০ টাকা দরে ৩ কেজি মিষ্টি কিনে ৪ টাকা হারে ভ্যাট দিলে ভ্যাটের পরিমাণ কত টাকা?
- In a basket of fruits, the ratio of number of apples, bananas, and oranges is 3:4:8. If the number of apples is 9, how many bananas does the basket have?
- A pump can fill a trunk with water in 2 hours. Because of a leak, it took 2 and 1/3 hours to fill the tank. The leak can drain all water of the tank in.
