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)
- It takes 24 hours for 10 men to make 15 Christmas cakes. How many cakes can be made if 8 men work for 36 hours?
- চিনির দাম ২০% কমল, কিন্ত চিনির ব্যবহার ২০% বৃদ্ধি পেল। এতে চিনি বাবদ ব্যয় শতকরা কত বাড়ল বা কমল?
- There are 200 questions in a 3-hour examination. Among the questions are 50 mathematics problems. It is suggested that twice as much time be allowed for each mathematics problem as for each of the other questions. How many minutes should be spent on the mathematics problems?
- What is the average of four tenths and five thousandths?
- The sum of the ages of 4 children born at the intervals of 3 years each is 42 years. What is the age of the youngest child?
- In a group of five men, no two men have the same age. The oldest man is 50 years sold, and the youngest 30 years old. If X years is the average age of the men in the group, which of the following best indicates all and only possible values of X? (All ages are in whole numbers)
- 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?
- There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11: 8, then how many nurses are there in the hospital?
- Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A worker is hired for six days.He is paid Tk.2 more for each day of work than he was paid for the preceding day of work.How much was he paid for the day of work?
- The average mark obtained in four sections of today's admission test is 19. If the England section is removed, the average mark at the remaining three sections is 21. What is the mark in English
- A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor the remainder is 11. What is the value of the divisor?
- Point B is on the line segment AC. Which of the following is always true?
- The price of one kilogram (kg) sugar is \(175\%\) of the price of one kg salt. If 7 kgs of sugar and 5 kgs [of salt are purchased for a total of BDT 690, what is the difference in price between 2 kgs of salt and 1 kg of sugar?]
- A' B' এর চেয়ে দ্বিগুণ কাজ করতে পারে; তারা দু’জন একত্রে একটি কাজ ১৪ দিনে শেষ করতে পারে। 'A' একা কাজটি কতদিনে করতে পারবে?
- তোমার নিকট 52 গ্রাম ও 116 গ্রাম ওজনের অনেকগুলো লোহার বার আছে। এগুলোকে দাঁড়িপাল্লার উভয় প্রান্তে ব্যবহার করে সর্বনিম্ম কত গ্রাম ওজনের জিনিস মাপা যেতে পারে?
- If (a+b+c)/4= (a+b)/3, then what is the value of c?
- If P denotes + Q denotes - R, denots +and S denotes X, then what is the value of 18s36R12Q6p7?
- যদি 2 × 3 = 812, 4 × 5=1620 হয় তবে 6 × 7 = কত?
- If a, b and c arc 3 consecutive integers and a>b>c, which of the following hasthe maximum value?
- খুলনা বিশ্ববিদ্যালয় হতে রূপসা ব্রীজ পর্যন্ত সরল পথে ৪০ মিটার ব্যবধানে লাইট পোষ্ট স্থাপন করা আছে। প্রথম থেকে নবম পোষ্ট পর্যন্ত প্রতি মিটার ৩০০০ টাকা ব্যয়ে ড্রেন নির্মাণ করতে গেলে কত টাকা লাগবে?