Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?

Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How m...

The sum of three digits x, y and z is 12 . What is the largest 3-digit number that can be found using each of...

The average mark obtained by 10 students was 6 and the average mark obtained by 6 students was 10. What is the...

If the product of 3 consecutive integers is 120, the sum of the integers is -

A parking garage rents parking spaces for TK. 10 per week of TK. 30 per month . How much does a person save in...

দুটি সন্নিহিত কোণের সমষ্টি দুই সমকোণ হলে একটিকে অপরটির কী বলে?