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)
- What is the smallest positive integer K such that the product 1575 x K is a perfect square?
- Of a group of people surveyed in a political poll, 60 percent said that they would vote for candidate R. Of those who said they would vote for R. 90 percent actually voted for R. and of those who did not say that they would vote for R. 5 percent actually voted for R. What percent of the group voted for R?
- Which of the following is true?
- The closest approximation to the value of sqrt(4/5)" " is
- The population of a country increased by an average of \(1\%\) per year from 2016 to 2019 . if the population of this country was 21 million on December 31, 2019, then the population of this country on January 1, 2016, to the nearest thousand had been ____________.
- The difference between a number and its three-fifth is 50. what is the number?
- A PhD research group has 12 male and 18 female participants. Males are what fraction of the class?
- A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- If N is the third of seven consecutive odd number calculate their average.
- তিনটি সংখ্যার গড় হচ্ছে ৬ এবং চারটি সংখ্যার ( পূর্বের তিনটিসহ) গড় হচ্ছে ৮ । চতুর্থ সংখ্যাটির অর্ধেক কত.হবে?
- সরলরেখার কোন বিন্দুতে অংকিত ২টি কোনের অনুপাত ৭ঃ২ হলে ক্ষুদ্রতম কোণের পরিমাপ কত?
- A CD player and A DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD player?
- In a certain apartment building exactly 1/3 of the apartments have two bedrooms and exactly 1/7 of the two-bedroom apartments are front apartments. Which of the following could be the total number of apartments in the building?
- 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?
- There are 12 fewer girls than twice the number of boys signed up for Rolling Hills Tennis Camp. If 60 girls and boys are signed up for the camp, how many boys are signed up?
- 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
- An emergency vehicle travels 10 miles at a speed of 50 kilometers per hour. How fast must the vehicle travel on the return trip if the round trip travel time is to be 20 minutes?
- A is three as old as B. C was twice -as old as A four years ago. In four years time, A will be 31. What are the present ages of B and C?
- How many balls had C started with?
- ঢাকা থেকে টাঙ্গাইলের দূরত্ব ৪৫ মাইল। করিম ঘণ্টায় ৩ মাইল বেগে হাঁটে এবং রহিম ঘণ্টায় ৪ মাইল বেগে হাঁটে। করিম ঢাকা থেকে রওয়ানার এক ঘণ্টা পর রহিম টাঙ্গাইল থেকে ঢাকা রওয়ানা হয়েছে। রহিম কত মাইল হাঁটার পর করিমের সাথে দেখা হবে?
- . If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- In an excel sheet, there are 5 rows and 5 columns where you can put either 5 or 10 . Suppose the number of 5 s in \(x^{th}\) row of the table is \(x-1\) for each row. What is the arithmetic mean of all the numbers in the table?
- একটি পরীক্ষায় ৫২% পরীক্ষার্থী ইংরেজিতে এবং ৪২% পরীক্ষার্থী গণিতে ফেল করল। যদি উভয় বিষয়ে ১৭% ফেল করে তবে কয়জন পরীক্ষার্থী উভয় বিষয়ে পাশ করে?
- In the trapezoid, ∠CAB = ∠DBA =60° and AC = DB = 10 cm. Find the area of the trapezoid.
- এক কিলোমিটার এক মাইলের কত অংশের সমান?
