১০ জনে একটি কাজের অর্ধেক করতে পারে ৭ দিনে। ঐ কাজটি করতে ৫ জনের কত দিন লাগবে?
A. ১৪ দিন
B. ২৮ দিন
C. ২০ দিন
D. ৩২ দিন
পল্লী বিদ্যুতায়ন বোর্ডমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)পল্লী বিদ্যুতায়ন বোর্ড - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
২৮ দিন
Explanation:
Related Questions (Any University/Year)
- If milly gives Tilly Tk 60, the money they have is in 2 : 1; however, if Tilly gives Milly TA, 10 the ratio is 1:3. How much money have Milly before they exchange any money?
- কাগজের প্রতি পাতা বিক্রি হয় ২১ পয়সায়। চার পাতা কত পয়সায় বিক্রি হবে।
- If N is odd, Which of the following represents life third number following N?
- Monti always jogs to school at a speed of 6 kilometers per hour, and walks home along the same route at a speed of 3 kilometers per hour. If he spends exactly one hour total traveling both ways, how many kilometers is his school from his home?
- When 10 is divided by a positive integer n, the remainder is \(n - 4\) which of the following could be the value of n?
- 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 Township K each property is taxed at 8 percent of its assessed value. If the assessed value of a property In Township K is increased from $20,000 to $24,000, by how much will the property tax increase?
- 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?
- Rahim is paid twice the hourly wages of Selim, Karim is paid one-third of the hourly wage of Karim is delim paid?
- A painter used one-fourth of her paint on one room and one-third of her paint on a second room. If she had 10 gallons of paint left after painting the second room, how many gallons did she have when she began?
- ভারসাম্য রক্ষা করতে নিচের চিত্রের বামদিকে কত ওজন রাখতে হবে?
- In an increasing sequence of 10 consecutive integers , the sum of the first integers is 560.What's the sum of the last 5 integers in sequence?
- If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?
- A rope , x feet long, is cut into two pieces such that the length of one piece is 1 foot more than twice the length of the other piece. Which of the following is the length, in feet, of the larger piece?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. Arif can do a work in 12 hours. Arif finished two-thirds of the work and the remaining portion of the work was done by Babu, whose rate of working is just 20% of what Arif can do. How long did it take Babu to finish the remaining work in hours?
- After 2 females leave a party there are twice as many males as females. Then 9 males leave the party and there are twice as many females as male. How many females attended the party?
- Rima bought 4 books that cost Tk 6 each and 2 books that cost tk 3 each .what's the averge cost of the six books?
- Rokon, Saim and Nafisa had ate at MCafe. Nafisa's meal cost 50% more than Saim's meal and Rokon's meal cost 5/6 as much as Nafisa's meal. If Saim paid Tk. 1000 for his meal, what was their total lunch bill?
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- 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?
- The speeds of three cars are in the ratio 2 : 3 : 5. The ratio of the times taken by these cars to travel the same distance is
- At Lions High school 100 students are taking chemistry and 80 students are taking Biology. If 20 students are taking both chemistry and Biology , what is the ratio of the students taking only chemistry to the number taking only Biology?
- 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?
- Out of their annual net income, a couple spent 25 percent for food, 13.5 percent for entertainment, 20 percent for housing, 8 percent for car expenses, 15 percent for clothing, and saved the rest. What was the ratio of the amount saved to the amount spent for entertainment?
- One angle of triangle is four times the second angle and the third angle is 6 degrees more than the second angle. The second angle, in degrees, is
- There are 5 machines that make 5 parts in 5 minutes. How long does it take to make 100 parts on 100 machines?
- A bookstore lists a novel at such a price that after giving a discount of 30% on the listed price (including tax) it earns a profit of 40%. If enlisted price of the novel including tax is Tk. 460, then what is the cost price of the novel?
- Anwar has 4 pens and pencils and Anis has 6 pencils. How many pens should Anwar give to Anis so that the ratio of pen to pencil for both of them becomes the same?
- অমিত ৪০০ কেজি ধান পেয়েছে, প্রতি কেজি ধানে ৭০০ গ্রাম চাল হলে,সে কি পরিমাণ চাল পেল?
- A train left Dhaka for Chittagong at 62 km per hour and at the same time another train left Chittagong for Dhaka at 48 km per hour on the same route. How far apart were the two trains one hour before they met?
- Ratio between two numbers is 2:3 and their sum is 400. The greater of the two number is
- Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?
- A 112-meter rope is cut into three pieces with each piece twice as long as the previous one. How long is the longest piece?
- . The number of students in each section of a school is 24. After admitting new students, three new sections were started Now, the total number of sections is 16 and there are 21 students in each section. How many new students were admitted?
- If 2x+2x+2x+2x=2n, what is x in terms of n?
- একজন লোক ৪ ফিট লাফ দিতে পারে। সে একটি নৌকা থেকে তীরের উদ্দেশ্যে লাফ দিল। তখন নৌকাটি তীর থেকে ৩ ফিট দূরে ছিল। সে কোথায় পৌঁছাবে?
- একটি আয়াতাকার ঘরের দৈর্ঘ্য বিস্তারের দ্বিগুণ। এর ক্ষেত্রফল ৫১২ বর্গমিটার হলে পরিসীমা কত মিটার?
- একটি সোনার গহনার ওজন ১৬ গ্রাম। এতে সোনা ও তামার অনুপাত ৩ঃ ১। এতে কি পরিমাণ সোনা মেশালে ৪ঃ ১ হবে?
- The HCF of two numbers is 23 and the other two factors of their LCM are 13 and 14. The larger of the two number is
- 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?