If five students run a mile in 5 minutes, then how much time will 50 students take to run a mile?
If a truck can carry 10 to 16 boxed refrigerators, then what is the least number of refrigerators that 4 trucks can carry?
Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?
A candidate had to apper in 4 subjects --- bengali, English, Mathematics and Science. Each subject carries 75 marks. the candidate secured 60% in both bengali and English , 80% in Mathematics and 70% in science. What is the total number of marks which the candidate secured in all four subjects?
If the length and width of a rectangular plot were increased by 20 percent, then what would be the percent increase in the area of the plot?
If a shirt marked Tk. 12.50 is sold at Tk. 10, then what is the rate of discount on the marked price?
A snapshot measures 5/2 inches by 15/8 inches. It is to be enlarged so that the longer dimension will be 4 inches. What will be the length of the enlarged shorter dimension then?
2 : 1
4 : 3
1 : 2
In a class of 22 students, 21 students get an average of 44 marks . If the remaining students get 66 marks , the average marks of the whoe class is -
None of these
A man sod his watch at a loss of 5% . Had he sold it for TK. 56.25 more he woud hae gained of 10% . The cost price of the watch is -
None of these
A penci costs 5 paisa. These are sold at 20% profit. Find out the selling price of one dozen pencils.