একটি উড়োজাহাজ ঘন্টায় ২৮০ মাইল গতিতে ৬ ঘন্টায় কোনো একটি নিদিষ্ট দূরত্ব অতিক্রম করে। উক্ত দূরত্ব ২ ঘন্টায় অতিক্রম করতে হলে উড়োজাহাজটির গতি কত হবে?
A. ঘন্টায় ৮৪০ মাইল
B. ঘন্টায় ২৮০ মাইল
C. ঘন্টায় ৪২ মাইল
D. ঘন্টায় ৫৬০ মাইল
সঠিক উত্তরঃ
A.
ঘন্টায় ৮৪০ মাইল
Explanation:
Related Questions (Any University/Year)
- Six years ago Alam was half the age he will be in six years. How old is Alam?
- What number should replace the question mark?
- The members of an association decided to contribute equally to create a fund of Tk. 45,000. Five members refused to contribute, so each of the other members had to contribute additional tk. 15 for that fund. How many members were there in the association?
- From 1 to 30, how many are the basic numbers?
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
- How many liters of a mixture containing 80% alcohol should be added to 5 liters of a 20% solution to yield a 30% solution?
- ঢাকা-আরিচা বাসে প্রথম 4 কিমি ভ্রমনের ভাড়া 10.00 টাকা, পরবর্তী 20 কিমি পর্যন্ত প্রতি কিলোমিটারের ভাড়া ৯০ পয়সা এবং পরবর্তী প্রতি কিলোমিটারের ভাড়া 70 পয়সা। 25 কিমি দূরত্বে ভ্রমনের ভাড়া কত?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If x, y and z are positive integers such that when x is divided by y, the remainder is z and when x is divided by z, the remainder is (y-2), then which of the following must be true?
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could be the length of the fence in feet? (12 inches = 1 foot). Indicate ALL such answers.
- In the trapezoid, <CAB= DBA =60° and AC= DB = 10 cm. Find the area of the trapezoid.
- ক এর লাইব্রেরীতে ৬টি শেলফ আছে । যে দুটি শেলফ -এ সমাজবিজ্ঞানের বই আছে সেগুলোর প্রতিটিতে ৯০ টি করে বই আছে। বাকি শেলফগুলোর প্রতিটিতে ৮০ টি করে বই আছে। ক এর লাইব্রেরীতে কত শতাংশ বই সমাজবিজ্ঞান ?
- In a sports club with 30 members, 17 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?
- The smallest of three consecutive even integers is 8 less than three times the largest. What is the largest of these integers?
- 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
- The total age of A and B is 12 years more than the total age of B and C .C is how many years younger than A?
- If a 60 ml of water contains 20% of chlorine, how much water must be added in order to create a 12.5% chlorine solution?
- What is 10% of of 20% of 30%?
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is.
- The cost of two litres of Oil and its container is Tk. 100. If the cost of the container is Tk. 23 less than the cost of one litre of Oil, what is the cost of one litre of Oil ?
- 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
- 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?
- A train 75 meters long is running with a speed of 20 km/hr. it will pass a standing man in:
- Which one of the following is the minimum value of the sum of two integers whose product is 36?
- 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?
- 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?
- Fresh watermelon contains 90% water by weight whereas dry watermelon contains 20% water by weight. Ben buys 64 kg of fresh watermelon for 160\$. At what price should Ben sell the dry watermelon to get a profit of 20%.
- If x is an odd integer, in which of the following equations must y be an even integer? I. xy = 5 II. x + 2y = 11 III. 2x + y = 12
- If two times of the daughter's age in years is included to the mother's age, the total is 70 and if two times of the mother's age is included to the daughter's age the total is 95. So the Mother's age is -
- একটি ট্রেন ১৫ সেকেন্ডে চলে ২০ ফুট। একই দ্রুততায় ট্রেনটি ৩ সেকেন্ডে কত ফুট চলবে?
- Arif can do a particular work in 1 hour while Asif can do the same work in 1.5 hours . On a particular day, they work together for half an hour, after which Arif left and Asif had to finish the rest of the work alone. How much time in minutes will Asif require to finish the rest of the work ?
- The cost of 1 dozen apples and 1 dozen mangoes is Tk. 100 and Tk. 120 respectively. If you spend equal amount of money to buy apples and mangoes and sell them both at Tk. 110 by dozen what will be your approximate profit or loss ?
- In the parallelogram, PO II BC and P is the midpoint of A B.if PR =16 cm and area of ABCD is 128 sq cm, what is thearea of the ARD in sq. cm?
- . If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- If x and y are integers and -6< x ≤ 7 and -3≤ y ≤ 9, then which of the following CANNOT be a value of xy?
- How many squares with sides-inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide?
- Amir and Hannan working together can finish a work in 3 hours. If they work alone, Hannan takes 3 times as long as Amir. How long does Hannan take to finish the job alone?
- The living room in Dina's home is 182 square feet. How many square yards of carpet should she purchase to carpet the room?
- স্কুলের পিটিতে নবম শ্রেণির 45 জন ছাত্রের একটি লাইনে শুরু থেকে সপ্তম স্থানে দাঁড়িয়ে আছে অনিক এবং পিছন থেকে সপ্তম স্থানে দাড়িয়ে আছে মোকসেদ। অনিক এবং মোকসেদের মাঝে কতজন ছাত্র দাঁড়িয়ে আছে?
- A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
- ৭২৯ লিটারের মিশ্রণে দুধ এবং মধু ৭ঃ২ অনুপাতে থাকে । এই অনুপাতটি ৭ঃ৩ এ পরিবর্তন করার জন্য এতে কী পরিমাণ মধু মেশাতে হবে?
