৫১২৩৪
Aslam bought 5 apples at taka 10 and sold 4 apples at taka 10. What will be the rate of profit?
উত্তর
25%
৫১২৩৫
If the cost price is 25% of selling price, then what is the percentage of profit?
উত্তর
300
৫১২৩৮
A man travels for 2 hours at 30 miles an hour and he covers 60 miles in the next 3 hours. What is the average speed per hour for the entire trip?
উত্তর
24
৫১২৩৯
The average age of a family of 6 members is 25 years. After a 45- yers old member leves the family, what is the average age ( in years) of the family?
উত্তর
21
৫১২৪০
Which of the following numbers cannot be the last digit of a squared number?
উত্তর
1