একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময় ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায় কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
A. ১৫: ১৬
B. ২০: ১২
C. ১৬: ১৫
D. ১২: ২০
সঠিক উত্তরঃ
C.
১৬: ১৫
Explanation:
Related Questions (Any University/Year)
- 42 m দৈর্ঘ্যের রাস্তায় 2m অন্তর একটি করে চারা লাগালে কতটি চারা লাগবে?
- Rahat can complete a task in 30 minutes, working together with his brother Mominul, he can complete the same task in 20 minutes. How long would it take for Muminul working along to complete the task?
- If \( (x-1)^2 = 400 \) which of the following is the value of X-5?
- A discount of 20 percent on an order of goods followed by a discount of 10 percent amounts to
- A train crosses a 300m long bridge at 5 m/s. If the time taken to cross the bridge was 2 minutes, what was the length of the train?
- Samantha went shopping and bought one red bag and 15 black bags. The cost of the red bag was 3 times the average cost of a black bag. If she had spent a total of Taka x for the bags, what was the cost of the red bag (in terms of x)
- The price of article has been reduced 25%.In order to restore the original price the new price must be increased by
- Two planes leave the same airport at 1:00 pm. How many miles apart will they be at 3.00 pm if one travels directly north at 150 mph and other travels directly west at 200 mph?
- 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?
- the average age of a group of person going for a picnic is 16 years. twenty new person with the average age of 15 years joined the group on the spot. Due to that, the average age of the group became 15.5 years. what is the number of persons initially going for the picnic.
- 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?
- On a 400-mile trip, car X traveled half the distance at 40 miles per hour and the other half at 50 miles per hour. What was the average speed of car X?
- If 4 is subtracted from one-fourth of a number, the result is 20. Which of the following is the number?
- একটি পুকুরে কচুরিপানা প্রতিদিন দ্বিগুণ হারে বৃদ্ধি পায়। যদি পুকুরটি কচুরিপানা দিয়ে ভরে যেতে ২৮ দিন লাগে তবে অর্ধেক পুকুরটি ভরে যেতে কত দিন লাগবে?
- A car going 40 miles per hour set up on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from the same place and followed the same route, How far in miles per hour, was the second car going if it caught up with the first car at 10:30 A.M.?
- A woman was 30 years old when her daughter was born. Her age is now 6 years more than three times her daughter’s age. How old will be the daughter in 10 years?
- The average age of a husband, wife and their child 3 years ago was 27 years and the average age of the wife and the child 5 years ago was 20 years. What is the present age of the husband?
- A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
- A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from miles per hour, was the second car going if it caught up with the first car at 10.30 A. M.?
- From 1 to 30, how many are the basic numbers?
- Oeshi has taken five math tests so far this semester. If she gets a 60 on his next test, that grade will lower her test average by 4 points. What is her average now?
- x = y - (50/y), where x and y are both > 0 if the value of y is doubled in the equation above, the value of x will
- একটি মানচিত্রে ১ ইঞ্চি দূরত্ব ২০ মাইলের সমান। দুটি শহরের মধ্যবর্তী দূরত্ব ৬.২ ইঞ্চি। শহর দুটির প্রকৃত দূরত্ব কত?
- A restaurant meal cost $35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of the meal, then the total amount paid must have been between:
- Which one of the following is the minimum value of the sum of two integers whose product is 36?
- 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?
- Today is Arif's 12th birthday and his father's 40th birthday. How many years from today will Arif's father be twice as old as Arif at that time?
- Of a group of people surveyed in a political poll, 60 percent said that they would vote for candidate R. Of those who said they would vote for R. 90 percent actually voted for R. and of those who did not say that they would vote for R. 5 percent actually voted for R. What percent of the group voted for R?
- If the production is increased to 120 pieces per hour, the profit is:
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- ৮৮০ এর তিন চতুর্থাংশের এক দশামাংসের অর্ধেক কত?
- A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রের গড় CGPA ৪.৭২ । এই ৯০ জন ছাত্র ছাত্রীর গড় CGPA কত?
- Of the 400 students in a business school, 30% were women and of these 1/5th became entrepreneurs. If the number of men who became entrepreneurs was twice the number of women entrepreneur s, how many men became entrepreneurs?
- A chemist was preparing a solution that should have included 35 milligrams of a chemical. If she actually used 36.4 milligrams, what was her percentage error( to the nearest 0.01%)?
- If a man's weekly salary is Tk. P and he saves Tk. M, what faction of his weekly salary does he spend?
- If s shirts can be purchased for d dollars, how many shirt can be purchased for t dollars?
- A recipe calls for 1/2 tea spoon off coriander and serves four people. If salma wants to serve the recipe to 24 people, how much coriander will she need?
- What is the value of 'x'? I. \(7^{1/x} + 24^{1/x} = 25^{1/x}\). II. x is a non-negative integer