It takes 24 hours for 10 men to make 15 cakes. How many cakes can be made if 8 men work for 36 hours?
The ratio of present age of father, mother and son is 7:5:3. The sum of their ages is 75. What is the present age of the son in years?
How many prime numbers are there between 1 to 11?
What is the smallest positive integer that is evenly disvible by both 21 and 9?
A sum of money is to be distributed among A, B, C and D in the proportion of 5: 2:43. If C gets Tk. 1,000 more than D, what is B's share?
In the first 10 overs of a cricket match, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to the target of 282 runs?
A man buys a cycle for Tk. 1,400 and sells it at a loss of 15%. What is the selling price of the cycle?
A sum of Tk. 12,500 amounts to Tk. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
A man travels for 2 hours at 30 miles an hour and then covers 60 miles in the next 3 hours. What is the average rate for the entire journey?
The average age of 24 students in a class is 14. If the teacher's age is included, the average increases by 1. What is the age of teacher?
What is the difference between 300% of 7 and 200% of 5?
Rubel can do a job in 8 days, and his son can do it in 12 day. How long would it take them to do the job if they worked together?
Mr. Zaman owned 58 of a land. He sold 15 of his share for Tk. 1,00,000. What was the value of the land?
If a mobile is sold at Tk. 11,000; there is a profit of 10%. What is the cost price of the mobile?
A fruit seller had some apples. He sells 40% apples and still has 420 apples. How many apples he had at the begining?