Solve the equation: 82x-1+93x-1=7x+1
একটি খাতা ৩৬ টাকায় বিক্রয় করলে যত ক্ষতি হলো, ৭২ টাকায় বিক্রয় করলে তার দ্বিগুণ লাভ হতো, খাতাটির ক্রয়মূল্য কত?
উৎপাদকে বিশ্লেষন করুনঃ x2+6x2y+11xy2+5xy3
যদি a+bb+c=c+dd+a হয়, তবে প্রমাণ কর যে, c=a অথবা a+b+c+d=0
একটি চাকার ব্যাস ৪.২ মিটার । চাকাটি ৩৩০ মিটার পথ অতিক্রম করতে কতবার ঘুরবে?
2x-2x=3 হলে, দেখাও যে, 8x3-1x3=63
Twenty –four men can complete a work in sixteen days. Thirty- two women can complete the same work in twenty – four days. Sixteen men and sixteen women started working and worked for twelve days. How many more are to be added to complete the remaining work in 2 days.
The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination . The total time taken for the complete ot and from journey is 17 hours, covering a distance of 800 km Find the speed of the train in the onward journey.
A, B and C started a job which they can complete in 2 days . B can do the job in 5 days and C can do it in 4 days. After working for 1 day, both B and C left. How long would it take A to complete the rest of the job?
A man’s running speed is 3 times of his walking speed. He runs a distance and comes back by walking . Total time taken by him is 2 hours. What is the distance in miles if he runs 9 miles per hour?
A shirt was sold at 6% profit . If the purchase price was 4% less and te selling price was Tk. 4 more, the profit would be 12.5% . What was the purchase price of the shirt?