M সংখ্যক সংখ্যার গড় A এবং N সংখ্যক সংখ্যার গড় B. সবগুলো সংখ্যার গড় কত?
একটি গাছের পাদদেশ থেকে কিছু দূরে একটি স্থানে গাছটির শীর্ষের উন্নতি কোণ 30° । গাছটি ১২ মিটার উঁচু হলে ঐ স্থানটি গাছটি হতে কত দূরে অবস্থিত?
90° কোণের সম্পূরক কোণ কত ডিগ্রী?
যদি a + b+ c = 0 হয় , তবে aa+b3+c3 এর মান কত?
2n÷22-1=?
City X has a population 4 times as grate as the population of city Y, Which has a populatin twice as grat as the population of city Z. What is the ratio of the population of city X to the population of city Z?
A rectangular floor that measures 8 metres by 10 metres is to be covered with carpet squares that each measures 2 metres by 2 metres. If a carpet square costs Tk. 12, calculator the total cost cover 2/3 of the floor?
Travelling at a constant speed of 32 miles per hours, a certain motorboat consumers 24gallons of fuel per hour. What is the fuel consumption of his boat this speed measured in miles per gallons of fuel?
A collection o 16 coins , each with a face value either 10 paisa or 25 paisa, has a total face value of Tk. 2.35. How many of the coins have a face value of 25 paisa/
If the range of the six numbers 4,3,14,7 10 and X is 12, what isthe difference between the greatest possible value of X and the least possible value of X?
4.8×109 is closest in value to___
(0.0036)(2.8)(0.04)(0.1)(0.003)=?
Mr X made a fixed deposit of Tk. 10,000 for 1 year at an annual rate of 8 percent commpunded semiannually. Calculate the amount of interest to be paid at maturity?
In the first week of the year, nancy saved tk. 1 In each of the next 51 weeks, she saved Tk. 1 more than she had saved in the previous week. What was the total amount that Nancy saved during the 52 weeks?
If the word EXAMINATION is written as 8912316354, what word does 456354 stand for?
Which number will compete compete the series 3,19, 41, 71, 111 ____?
R is the brother of S and M is the father of R J isthe brother of P and P is the daughter of S. Who is the uncle of J?
Of the five members of a panel sitting in a row, R is on the P but right of T and Q is on the left of S but right of P. Who is sitting in the middle?
রফিক একটি কাজ ১০ দিনে করতে পারে। শফিক ঐ কাজ ১৫ দিনে করতে পারে। তারা একত্রে কত দিনে কাজটি শেষ করতে পারবে?
পিতা ও পুত্রের বর্তমান বয়সের অনপাত ৭ : ২ এবং ৫ বছর পরে তাদের বয়সের অনুপাত ৮ : ৩ হলে, পিতার বর্তমান বয়স কত?