An article costs Tk. 500 and the marked price is mentioned as Tk. 800. What is the profit % for the seller it he sells and offers a discount of 10% on the marked price ?
The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers .what is the difference between the first and the third of these three numbers?
30 pens and 75 pencils altogether were purchased for Tk. 510 . If the average price of a pencil was Tk. 2 , what was the average price of a pen ?
A boat travel with a speed of 10 km / hr in still water. If the speed of the stream is 3 km / hr then find time taken by boat to travel 52 km downstream .
The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream , find the time taken by boat to cover the distance of 17.5 km downstream .
A train passes a platform in 40 sec and a woman standing on the platform in 30 sec . the speed of the train is 108 km / hr, what is the length of the platform ?
A train 125 m long passes a person , running at 8 km / hr in the same direction in which the train is going in 25 seconds . The speed of the train is :
There are two numbers , 1 st number is 12 more than the 2nd number . The average of the two numbers is 19. If 2 is added in both numbers , find the ratio of the numbers .
Sum of 4 consecutive even numbers is greater than consecutive odd numbers by 81. If the sum of the least odd and even numbers is 59 then find the sum of largest odd and even numbers.
A number is as much greater than 36 as is less than 86 . Find the number.
X, Y and Z can do a piece of work in 6 hours. X and Y can do the same work in 8 hours and Z can the same work in 12 hours . In how many times will X and Z do the same work?
If A can do 1 /4 of a work in 3 days and B can do 1 /6 of the same work in 4 days , how much will A get if both work together and are paid Tk. 180 in all ?
In a box there are 10 apples and 2/5th of the apples are rotten . If three apples are taken out from the box, what will be the probability that at least one apple is rotten .
০.০০১০.১×০.১ = কত?
X+Y =12 এবং X-Y =8 হলে XY এর মান কত?
একটি বাঁশের ১/৪ অংশ কাদায়, ৩ /৫ অংশ পানিতে এবং অবশিষ্ট ৩ মিটার পানির উপরে আছে। বাঁশটির দৈর্ঘ্য কত?
সর্বমোট কত সংখ্যক গাছ হলে একটি বাগানে ৭, ১২, ২১, ৩৫, ৪২ সারিতে গাছ লাগালে একটিও কম বেশি হবে না?
নিচের কোন ভগ্নাংশটি ক্ষুদ্রতর?
একটি কোণের মান তার পূরক কোণের মানের অর্ধেকের সমান। কোণটির মান কত?
নিচের কোনটি মৌলিক সংখ্যা নয়?