A train 75 meters long is running with a speed of 20 km/hr. it will pass a standing man in:
A. 12
B. 13.5
C. 14
D. 15.5
সঠিক উত্তরঃ
B.
13.5
Explanation:
Related Questions (Any University/Year)
- A person works in a firm on monthly salary basis he gets a fixed amount of increment at the end of each year. His monthly salary is Tk. 3500 at the end of 4th year and Tk. 4250 at the end of 10th year. what was his initial monthly salary?
- A salesman makes a 20 percent commission on the selling price of each set of encyclopedias he sells. If he sells 12 identical sets of encyclopedias and makes $1,800 in commissions ,what is the selling price of each set?
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রের গড় CGPA ৪.৭২ । এই ৯০ জন ছাত্র ছাত্রীর গড় CGPA কত?
- The sale of TV increased by 30% when the price was reduced by 10%. What will be the percentage change in revenue?
- The ratio of Pens and Pencils in a shop is 3 : 2 respectively . The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?
- There were n books in a store. After 1/6th of the books were sold and 5 more books were procured, the total number of books in the shop stood at 65. What was the original number of books in the shop?
- In making a radio set the cost of labor and materials are in the ratio of 3:2 . A manufacturer sells a set for TK 1,500 to make a gain of 25% on the cost. What is the cost of the materials for the set?
- If the product of (1+2), (2+3) and (3+4) is equal to one half the sum of 20 and x , then x=?
- Of the 400 students in a business school, 30% were women and of these 1/5 th became entrepreneurs. If the number of men who became entrepreneurs was twice the number of women entrepreneurs, how many men became entrepreneurs?
- A trader normally makes a profit of 40% on items he sells. If he reduces the price by 10%, his sales increase by 40%. Let x be the total profit when he does not reduce the price, and y the total profit when he reduces the price. What is the ratio of y to x?
- দুইটি নল দিয়ে একটি চৌবাচ্চা ৮ মিনিটে পূর্ণ হয়। নল দুইটি খুলে দেয়ার ৪ মিনিট পর ১ম নল বন্ধ করে দেয়ায় চৌবাচ্চাটি পূর্ণ হতে আরও ৬মিনিট লাগলো। প্রত্যেক নল দ্বারা পৃথকভাবে চৌবাচ্চাটি পূর্ণ হতে কত সময় লাগবে?
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
- If the average of the two numbers is M and the larger number as L, what is the smallest number?
- A man purchased equal number of bananas at two different rates- one at the rate of taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- If Mohan buys a chair at 75% of its value and sells it for 20% more tan its value, his profit will be -
- The quantity of water that should be added to reduce 10mI lotion containing 60% alcohol to a lotion containing 40% alcohol is
- ক ও খ একটি কাজ ১২ দিনে করতে পারে। ক একা কাজটি ২০ দিনে করতে পারে। খ একা কাজটি কতদিনে করতে পারবে?
- Which of the following is equal to 85 percent of 160?