Basar bought equal numbers of 50-paisa and 75-paisa stamps. If the total cost of the stamps was Tk. 50.00, what was the total number of stamps bought?
Each of two groups of tourists has 60 people. If three-fourth of the first group and two-third of the second group board buses to travel to a museum, how many more people of the first group board buses than that of the second group?
If an integer y is subtracted from an integer x, and the result is greater than x, then y must be :
A two-digit number has 3 in its unit digit. The sum of its digit is one-seventh of the number itself. What is the number?
The total cost of a bouquet of roses at a flower shop depends on the number of roses ordered. The vase costs $5, and each rose costs $2.25. Which equation can be used to find 'c', the total cost of a bouquet with 'r' roses?
If 6 workers can complete 9 identical jobs in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
The area of a rectangle R with width 4 feet is equal to the area of a square S, which has a perimeter of 24 feet. The perimeter of the rectangle R, in feet, is :
When the speed is increased by 4 miles per hour, it takes for our less to cover a distance of 32 km. Find the previous speed.
The radius of a circle is increased so that and circumference by 5%. The area of the circle will be increased by.
A wire can be bent in the form of a circle of radius 56 cm. It is a bent in the form of a square, then what will be its area?
In a railway compartment, 6 seats are vacant on a bench. In how many ways can 3 passengers sit on them?
The distance from the point P to two vertices A and B of an equilateral triangle are |PA| = 2 and | PB | = 3. What is the greatest possible value of | PC].
The average of 10 integers is 16. If the sum of 6 of them is 100. What is the average of other 4?
If p and n are integers such that p> n> and p2- n2 = 12, which of the following value of p n?
Income tax is raised from tk. 4 to tk. 5 but the revenue is increased by 10% only. Find the decreased percentage in the amount taxed.
Find the area of rhombus one side of which measure 20 cm and one diagonal 24 cm.
একটি শ্রেণির প্রতি বেঞ্চে ৪ জন করে ছাত্র বসলে ৩ খানা বেঞ্চ খালি থাকে। কিন্তু প্রতি বেঞ্চে ৩জন করে বসলে ৬ জন ছাত্র দাড়িয়ে থাকে। শ্রেণির ছাত্র সংখ্যা কত?
একটি সুষম ষড়ভুজের অন্তঃকোণগুলোর সমষ্টি কত?
একটি আয়তক্ষেত্রের দৈর্ঘ্য ১৮সে.মি. এবং প্রস্থ ১০সে.মি। আয়তক্ষেত্রটির দৈর্ঘ্য বৃদ্ধি করে ২৫সে.মি করা হলো। আয়তক্ষেত্রটির প্রস্থ কত হলে ক্ষেত্রফল অপরিবর্তিত থাকবে?
a, b, c, d and e are five consecutive integers in increasing order of size. Which one of the following expression is not odd?