If Kamal gives 20 marbles to Shuvo, then, both of them will have equal numbers of marbles in their possessions. If Shuvo gives 40 marbles to kamal then Kamal will have twice the number of marbles that Shuvo will retain. What is the number of marbles that Kamal has?

After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expendit...

A jar contains only marbles of three colors : red, green and yellow. The red and green marbles are in the rati...

A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 3...

If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the t...

A fruit salad is made by mixing 3 kgs of mango costing Tk 120 per kg and 2kgs of papaya costing Tk 100 per kg...

The members of a club participate in at least one game. Twenty of them play football, 10 play cricket, 12 play...