At present Lili is 23 years old and Medrin is 15 years old. How many years ago was Lili twice as old as Mehrin?
Choose which pair of numbers comes next in the following serise : 8,11,21,15,18,21 22?
Five years ago, Tk. 1,200 was deposited into a savings account paying 4.5% interest. Today, the balance in the account is Tk. 1,495. If interest paid on the account was compounded annually, how much interest on interest was earned?
আয়তক্ষেত্রের সন্নিহিত বাহু সমান হলে সেটি-
Papia has 16 marbles in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of marbles she must take out of her pocket to ensure that she has one of each color?
In how many ways can Annie, Bushra, Camelia, Don, Elina and Frazana be seated if Annie and Bushra cannot seated next to each other?
Fill in the blank in the series : 000, 001, 011 -----
100m দৈর্ঘ্য বিশিষ্ট একটি Train 72km বেগে চলে 25 second-এ একটি Platform অতিক্রম করলে Platform এর দৈর্ঘ্য কত?
৩ সে.মি. ব্যাসার্ধের একটি বৃত্ত পরিধিস্থ P ও Q বিন্দুর দূরত্ব ৬ সে.মি. হলে PQ বৃত্তটির
ত্রিভুজের শীর্ষ বিন্দু থেকে এর ভূমির উপর অংকিত লম্বকে বলে-
If the sum of 3 consecutive integers is 210, then the sum of the two smaller integers is :
Two friend M and N have 40% and 60% shares in a business. After some time a third friend joined the business by investing Tk. 5 lac and acquired 20% shares in the business. What is the share of M in the business now?
52.68*1/100=
কোন ত্রিভুজে পূরক কোণ পাওয়া যাবে?
If four triangles are constructed with sides of the length indicated below , which of the following triangles will not be a right triangle ?
The sum of six consecutive add numbers exceeds twice the largest by 38. Find the sum of the six numbers.
একটি আয়তকার বাগানের দৈর্ঘ্য ৩০মিটার ও প্রস্থ ২৫ মিটার। বাগানের সীমানা সংলগ্নে বাহিরের ২মিটার চওড়া রাস্তা আছে। রাস্তাটির পরিসীমা কত মিটার?
১ থেকে ১০০ পর্যন্ত কতটি ২ আছে?
In a group of people solicited by a charity , 30% contributed TK. 40 each, 45% contributed TK. 20 each and the rest contributed TK. 12 each . What percentage of the total contributed came from people who gave TK. 40 ?
A large field of 1400 acres is divided into two parts. The difference of the areas, of the two parts is one-fifth the average of the two areas. Thus, the area of the smaller part is :