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. 45
B. 50
C. 53
D. 55
সঠিক উত্তরঃ
A.
45
Explanation:
Related Questions (Any University/Year)
- In a certain village, m litres of water are required per household per month. At this rate, if there are n households in the village, how long (in months) will p litres of water last?
- On a wildlife reserve, the ratio of giraffes to zebras is 37:43. If there are 300 more zebras than giraffes, how many giraffes are on the wildlife preserve?
- Reservoir A contains 450 million gallons of water more than does Reservoir B. If 100 million gallons of water were to be drained from Reseryoir A into Reservoir B, then Reservoir A would contain twice as much water as would Reservoir B. How many million gallons of water does reservoir A currently contain?
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- A certain elevator has a safe weight limit of 2,000 pounds. What is the greatest possible number of people who can safely ride on the elevator at one time with the average (arithmetic mean) weight of half the riders being 180 pounds and the average weight of the others being 215 pounds?
- A trader normally makes a profit of 40 % on items he sells . If he reduces the price by 10% his sales increased by 40% . Let x be the total profit when he doesn't reduce the price and y the total profit when he reduces the price what is the ratio of y to x ?
- The average of 5 positive integers is 60. If the average of 3 of these integers is 67, what is the greatest possible value that one of the other two integers can have?
- What is the value of 'x'? I. \(7^{1/x} + 24^{1/x} = 25^{1/x}\). II. x is a non-negative integer
- Two hours after train A has started its journey, train B started from the same point to the same direction at a speed of 18 km/h. If the speed of train A is 9 km/h then how many hours would it take for train B to catch the first train?
- 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?
- একটি মাঝি স্রোতের প্রতিকূলে ১০ ঘন্টায় ৪০ কি.মি. যায়। স্রোতের অনুকূলে ঐ পথ যেতে তার ৫ ঘন্টা লাগে। স্রোতের বেগ কত?
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- Rehnuma has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has at least one of red color?
- Two workers, working separately but at the same speed, take hours 40 minutes to complete a particular task, How long will one of these two workers take to complete the same task alone?
- যদি পরপর ৫টি পূর্ণ সংখ্যার গাণিতিক গড় ১২ হয় তবে এ ৫ টি পূর্ণ সংখ্যার মধ্যে ক্ষুদ্রতম ও বৃহত্তম সংখ্যার যোগফল কত?
- If y% of x is 29. Then x =?
- একটি আয়াতাকার ঘরের দৈর্ঘ্য বিস্তারের দ্বিগুণ। এর ক্ষেত্রফল ৫১২ বর্গমিটার হলে পরিসীমা কত মিটার?
- How many flowers are there if all of them are roses except two, all of them are tulips except two and all of them are daisies except two?
- X:Y=3:4 হয় 3Y-X:2X+Y কত হবে?
- 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%)?
- A number is divided by 4. The result is divided by 3. The final result is 2. What was the original number?
- কোনো বৃত্তের ব্যাসার্ধ যদি ২০% কমে, তবে উক্ত বৃত্তের ক্ষেত্রফল কত % কমবে ----
- The sum of three consecutive numbers is 93. The greatest among these three numbers
- If Milly gives Tilly Tk. 60 , the money they have is in the ratio 2:1 however , If Tilly gives Mily TA. 10 the ratio is 1:3 How much money have Milly before they exchange any money?
- 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- After paying a 10 percent tax on all income over $3,000, a person had a net income of $12,000. What was the income before taxes?
- পিতা ও পুত্রের বয়সের অনুপাত 7:3 । 4 বছর পূর্বে তাদের বয়সের অনুপাত ছিল 13:5। বর্তমানে কার বয়স কত?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- In a cricket match Tamim played 120 balls. His number of boundaries was twice the number of over boundaries. He took 12 single runs, no 2 or 3 runs, & could not score from 33 deliveries. How many runs did he score?
- You can now purchase 6 more oranges with Tk 72 because of reduction in price by 25%.Calculate the previous price of one dozen of oranges.
- যদি দুইজন টাইপিস্টের দুই পৃষ্ঠা টাইপ করতে দুই মিনিট সময় লাগে তাহলে ছয় মিনিটে আঠার পৃষ্ঠা টাইপ করতে কতজন টাইপিস্ট লাগবে?
- In a class, the average score of boys in an examination is 86 and that of girls is 81. If the average score of the whole class is 83, then what percent of the class are the girls?
- Ajar contains 10 red marbles and 30 green ones. How many red marbles must be added to the jar so that 60% of the marbles will be red?
- একটি পরীক্ষায় ৫২% পরীক্ষার্থী ইংরেজিতে এবং ৪২% পরীক্ষার্থী গণিতে ফেল করল। যদি উভয় বিষয়ে ১৭% ফেল করে তবে কয়জন পরীক্ষার্থী উভয় বিষয়ে পাশ করে?
- জুয়েলের বয়স তার পুত্র সুমন এর বয়সের দ্বিগুণ ।১০বছর পূর্বে তাদের বয়সের অনুপাত ছিল ৮:৩ । জুয়েল এর বর্তমান বয়স কত ?
- If y/x =1/5 and 2x+y=33, then what is the value of x?
- Three apples and 4 oranges cost Tk. 32. Four apples and three oranges cost Tk. 31.One apple, 1 orange and 1 papaya cost Tk. 28. What is the cost of a papaya?
- If 12 men can build a wall 180 m long in 54 days, how many days it will take to build a similar wall 160 m long, if 16 men working on it
- A trader incurs a loss of 10% from selling an item , if the selling price was taka 200 more he would have made a profit of 15% . What was the cost of the item ?
