চিত্রে DE || BC. একটি ত্রিভুজ ADE এর ক্ষেত্রফল DECB ট্রাপিজিয়ামের ক্ষেত্রফলের অর্ধেক হলে AE : AC কত?
A.
1 : 2
B.
1 : 3
C.
D.
সঠিক উত্তরঃ
D.
Explanation:
Related Questions (Any University/Year)
- The average age of a man and his son is 20. After 10 years, their age will be in the ratio 2:1. What was the age of the man and his son 5 years ago respectively?
- Arib's Toyota Cross averages 25 km/liter inside city and 40 km/liter on highway. Yesterday, he drove to his Gulshan office from the factory which is 105 km away. If the Google Maps showed that he drove 25 km of this distance inside Dhaka, what was his average mileage?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- A cricketer has a certain average in 9 innings. In the 10th innings he scored 100 run and thus increases his average by 8 runs. What is his new average?
- Saima needs to make a cake and some cookies. The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Saima has 15/16 cup of sugar. Does she have enough sugar, or how much more does she need?
- An employee can choose one of two methods of annual payment either an annual salary of Tk. 35,000 with no commission or an annual salary of Tk. 10,000 plus a 20% commission on her annual sales. What must be her total annual sales to get the same annual payment in either method?
- 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?
- Two tailors X and Y are paid a total of Tk. 550 per week by their employer. If X is paid 120 percent of the sum paid of Y. How much is Y paid per week?
- A 30% solution of salt is mixed with 10 grams of water to form a 20% solution. How many grams of the original solution did we start with?
- If a, b, and c are consecutive integers in that order, which has the lowest value?
- The average weight of 3 men is 53 kg. None of them weighs less than 51 kg. What is tha maximum possible weight (in kg of a person in that group?
- If one-third of one-fourth a number is 15, then three-tenth of that number is-
- If one number exceeds another number by 13 and the large number is 3/2 times the smaller, then the smaller number is-
- A car completes a journey in 11 hours, the first half at 30 km/hr and the second half at 25 km/hr. Find the distance travelled?
- If 0≤x≤5 and y<15, which of the following cannot be a possible value of xy?
- 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 ?
- If each photocopy of a manuscript costs 4 cents per page, what is the cost, in cents, to reproduce x copies of an x-page manuscript?
- In the following figure, what is the area of square QRST?
- Two nations produce 1/5 and 3/10 respectively , of The world production of aluminum. What fraction of the world production do the others nation's Produce?
- A car must complete a 180-km trips in 4 hours. If he averages 50 km an hour for the first three hours of his trip, how fast must he travel in the final hour?
- A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. what is the maximum number of bows that can be made?
- A monkey climbs a 12-meters-high slippery pillar. In his first minute, he climbs 2 meters, and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar? What is the correct
- The total weight of a tin and the cookies it contains is 2 Pounds. After 3/4 of the cookies are eaten, the tin and the remaining cookies weight 0.8 Pounds. What is the weight of the empty tim in pounds.
- A bus use one gallon of petrol to travel 15 km. After a tune- up ,the bus travels 15% farther on one gallon .How many gallon of petrol will it take or the bus to travel 150km after tune up?
- ১,০০০ টাকা ক ও খ ১ঃ ৪ অনুপাতে ভাগ করে নেয়। খ এর অংশ সে এবং তার মা ও মেয়ের মধ্যে ২ঃ ১ঃ ১ অনুপাতে ভাগ করে। মেয়ে কত টাকা পাবে?
- 4/5 কে শতকরায় প্রকাশ করলে কত হয়?
- একটি দ্রব্য ক্রয়মূল্যের সমান লাত করায় বিক্রয়মূল্য পাওয়া গেল ৫৬০ টাকা। দ্রব্যটির ক্রয়মূল্য কত?
- Sum of present ages of father & son is 70. 7 yrs ago, ratio was 5:2. Ratio after 5 yrs?
- In the figure above AD=4,AB=3 and CD=9.What is the area of triangle AEC?
- দুটি সংখ্যার গড় হচ্ছে 2x+1 , যদি একটি সংখ্যা x-2 হয়, হবে অন্য সংখ্যক কত?
- Diana bought a stereo for $530, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring state where she would have paid a sales tax of 5 percent?
- একটি বর্গক্ষেত্??ের বাহুকে চার গুণ বড় করলে ক্ষেত্রফল কত গুণ বৃদ্ধি পাবে?
- The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
- 36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
- The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
- A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?
- Alam starts working on a job and works on work. Then babu joins Alam and together they complete the est of the work in 12 days . How long (in days) will it take Babu to complete the job if he works alone ?
- 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?
- A train covers the distance y miles between two cities at a speed of x mph, arriving 2 hours late. What speed would permit the train to arrive on schedule?