Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?

After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks t...

If b

If an inspector rejects 0.08% of a product as defective, how many units of the product will be examined in ord...

Ms. Zareen purchased stock for Tk. 15,000 and 2/3 of it after its value doubled. She sold the remaining stock...

A car goes 15 miles on a gallon of octane when it is driven at 50 miles per hour. When the car is driven at 60...

The sum of two numbers is 56. If three times of the smaller number is one-half of the larger number, what is t...