দুইটি সংখ্যার অনুপাত 3ঃ4 এবং তাদের ল.সা.গু. 180 । সংখ্যা দুইটি কি কি ?
যদি একটি সমকোণী ত্রিভুজের সমকোণ সংলগ্ন বাহুদ্বয়ের দৈর্ঘ্য যথাক্রমে 5 সেমি ও 12 সেমি হয়, তবে ত্রিভুজের অতিভুজের দৈর্ঘ্য কত ?
কোন শ্রেণীতে যতজন শিক্ষার্থী প্রত্যেকে তত দশ পয়সা করে চাঁদা দেয়ায় নব্বই টাকা সংগ্রহ হলো। ঐ শ্রেণীতে শিক্ষার্থীর সংখ্যা কত?
এক বিলিয়ন সংখ্যায় প্রকাশ করতে ১ এর পর কতটি শূন্য লাগবে?
A car travels 180 km from A to B at 60 kilometers per hour and returns from B to A along the same route at 90 kilometers per hour. The average speed, in kilometers per hour, for the round trip is :
A petrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons, of the tank?
If x : y = 2 : 3, and m : n= 9 : 4, find the ratio xn : ym.
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (with return) trips will the operator makes during a 7-hour period?
Out of the 30,000 tickets for the cricket tournament in Dhaka, 1/4 were sold at Tk. 300, 1/3 were sold at Tk. 250 and the rest were sold for Tk. 125. How many tickets were sold at Tk. 125?
If x = 2y = 3z = 36 then the arithmetic mean of x, y, z is :
If y = (3x-6)/x, for what values of x, will be positive?
Half of the students of a school play football and one third of the rest play cricket. The remaining 300 students do not play either of the games. How many students are there in the school?
The average weight for a group of 20 women is 130 pounds. If the average weight for 75% of these women was 140 pounds, what was the average weight, in pounds, for the rest of the women?
One thousand shares of Luis Inc. Were purchased at Tk. 8.75 per share. The share price rose 215% in the first year after purchase, dropped 40% in the second year, and then dropped another 20% in the third year. What is the price per share at the end of the third year?
A bonus of Tk. 25,000 will be distributed among three salespersons in proportion of the amounts by which their sales exceed the basic quota of Tk. 200,000. Mrs. Asha sold Tk. 600,000. Mr. Bashir sold Tk. 450,000, and Mr. Saif sold Tk. 300,000. How much did Mr. Saif receive from this bonus?
Shahin has purchased a square sheet of plywood of 169 square feet area. To cover a wall he must cut off two feet from a side. What is the area, in square feet, of the wall?
Two third of the faculty members of a department are female. Twelve of the male faculty members are unmarried, while 60% of them are married. The total number of faculty members in the department is :
A farmer has two rectangular fields. The larger has twice the length and four times the width of the smaller field. If the smaller field has area k, then the area of the larger field is greater than the area of the smaller field by what amount?
১০৫০ টাকা ৮% =?
দুটি সংখ্যার গুণফল ৪২ এবং বিয়োগফল ১ হলে সংখ্যা দুটি কত?