কাফি ও খলিল একটি কাজ যথাক্রমে ১০ দিনে ও ১৫ দিনে করতে পা??ে। তারা একত্রে কাজটি কত দিনে করতে পারবে?
A. ৪
B. ৫
C. ৬
D. ৭
শিক্ষক নিবন্ধন ও প্রত্যয়ন পরীক্ষামানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)শিক্ষক নিবন্ধন ও প্রত্যয়ন পরীক্ষা - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
C.
৬
Explanation:
Related Questions (Any University/Year)
- 6,9,15,18 দৈর্ঘ্য বিশিষ্ট সরলরেখা দ্বারা কয়টি ত্রিভুজ গঠন করা যাবে?
- The least integer of set of consecutive integers is- 25. If the sum of these integers is 26, many integers are in this set?
- ৩০ বছর পর জেকভ তার বর্তমান বয়সের চারগুণ হবে । তার বর্তমান বয়স বের কর:
- If \(4x-3y=24\), then what is the value of \(2y - 8(x/3)\)?
- Working independently, Sourodip can perform a certain task in 6 hours and Eshanee can perform it in 7 hours. If Sourodip and Eshanee work together for 3 hours, and then Sourodip leaves, how many hours will it take Eshanee to complete the task alone?
- A tiger is 50 of its own leaps behinds a deer. The tiger takes 5 leaps per minutes to the deer's 4 leaps. If the tiger and the deer cover 8 m and 5 m per leap respectively, what distance will the tiger have to run before it catches the deer?
- In a certain game, each of the five players received a score between 0 and 100 inclusive. If their average was 80, what is the greatest possible number of 5 players who could have received a score of 50?
- A person spends 20 percent of his monthly salary for his son's education. In the coming month, he is expected to get an increment of TA. 170 and he plans to spend half of that increment also for his son's education would be TA. 645 . what is the present salary of that person?
- If p + q = 2(r + s) which of the following is the average of p, q, r and s in terms of r and s?
- B and C are points on a straight-line AD, where AB = BC = CD. What percent of AC is AD?
- 6 points of 20% solution of alcohol in water are mixed with 4 points of a 10% alcohol in water solution.The percentage alcohol in the new solution is
- Sum of present ages of father & son is 70. 7 yrs ago, ratio was 5:2. Ratio after 5 yrs?
- The daily rate of a hotel room that accommodates 4 people is Taka 3900 for one person and Taka x for each additional person. If 3 people take the room for one day and each pays Taka 2100 for the room, what is the value of x?
- Helen runs a 30-mile course at a constant rate of 4 miles per hour. If Chinu runs the same track at a constant rate and completes the course in 90 fewer minutes, how fast did Chinu run?
- In Jiimiary, 55 percent of a hospital's 300 patients were women. In February, 30 percent of its 440 patients were women. What was the percent change in the number of women patients from January to February?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- Faruk covers d miles in the first hour,e miles in the second hour and f miles in the third hour what is the average rate for the entire trip?
- If Mohan buys a chair at 75% of its value and sells it for 20% more tan its value, his profit will be -
- The average of eight numbers is 14. and the average of six of these numbers is 16. What is the average of the remaining two numbers?
- A motorcyclist rode to work at an average speed of 15 miles per hour and returned home along the same route at an average speed of 45 miles per hour. If his entire traveling time was 1 hour, what was the total number of miles in the round trip?
- Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A worker is hired for six days.He is paid Tk.2 more for each day of work than he was paid for the preceding day of work.How much was he paid for the day of work?
- If y*x=y2x for all positive integers than (3*4)*2 =
- 80 apples were stored in two baskets in such a way that 6 times the content of the larger basket is 16 more than 10 times the content of the smaller basket. How many apples were stored in the smaller basket?
- What is the smallest positive integer K such that the product 1575 x K is a perfect square?
- If 8+√k =15 ;then k=?
- Which one of the following is greater than 2/37
- টেলিফোন ডায়ালে 0 থেকে 9 পর্যন্ত লেখা থাকে। যদি কক্সবাজার শহরের টেলিফোনগুলো 5 অংক বিশিষ্ট হয়, তবে ঐ শহরে কত টেলিফোন সংযোগ দেয়া যাবে?
- What percentage of profit is made by selling an article at a certain price if by selling at two third of that price these would be a loss of 20%?
- একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময়ে ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায়, কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
- 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 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.
- Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on the first stop?
- 3x+y=18, and x+3y=1.Find the value of 2x+2y
- 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?
- You can now purchase 6 more oranges with Tk 72 because of reduction in price by 25%. TORCalculate the previous price of one dozen of oranges
- 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?
- A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of train?
- নিচের ছবিতে ভারসাম্য রক্ষার জন্য কত ওজনের প্রয়োজন?
- The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
- Three friends - Anwar, Bobby and Dipu divided Tk. 1105 amongst them in such a way that if Tk. 10, Tk. 20 and Tk. 15 were removed from the amount that Anwar, Bobby and Dipu received respectively, then the share of the amount they got would be in the ratio of 11: 18: 24. How much did Dipu receive?
