What is the smallest positive integer that is evenly disvible by both 21 and 9?
It takes 24 hours for 10 men to make 15 cakes. How many cakes can be made if 8 men work for 36 hours?
If a mobile is sold at Tk. 11,000; there is a profit of 10%. What is the cost price of the mobile?
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?
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?
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