One kth of a circular pie has been served. If the rest of the pie is divided into n equal servings, then each of these servings is what fraction of the whole pie?
In a certain country, a person is born every 5 seconds and a person dies every 13 seconds, Therefore the birth and death rates account fora population growth rate of one person every---
If x and y are positive integers, each greater than 1, and if 13(x-1)= 17(y-1), what is the least possible value of (x+y)?
A buzzer sounds every 15 minutes. If the buzzer sounded at 12:40 pm, which of the following could be a time at which the buzzer had sounded before?
Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
The average of 5 positive integers is 60. If the average of 3 of these integers is 67, what is the greatest possible value that one of the other two integers can have?
How many liters of fuel are needed for a steamer to sail 2400 kilometers if it uses 40 liters of fuel to sail 320 kilometers?
Some marbles are divided between two brothers, Lipu and Tipu in a ratio of 15.8 and the difference in the number of marbles they get is 14. How many marbles did Tipu get?
If r=3z and 9z=6y, then r=?
A two-digit number has 6 in its unit digit. The sum of its digits is one-fourth of the number itself. What is the number?
Mr. Jamal employed 50 workers to finish a work within 30 days. After 20 days he found out that only 50% of the work had been completed. How many additional workers will Mr. Jamal need to finish the work in time?
Arif incurred a loss of 25% by selling a used mobile phone set at taka 1500. How much could he gain/lose by selling it at 2,200 taka?
60% of the students of a college are male. 60% of the males in the college speak French and 40% of the students of the college speak French. What is the percentage of the females in the college who do not speak French?
which of the following fractions is smaller than 8/9 and greater than 2/5?
If a and b are integers greater than 100 such that a+b=300, which of the following could be the each color?
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A cube of side 5cm is painted on all its side. If it is sliced into 1 cubic centimeter cubes, how many 1 cubic centimeter cubes will have exactly one of their sides painted?
The length of a rope, to which a cow is tied, is increased from 19m to 30m. How much additional ground will it be able to graze? Assume that the cow is able to move on all sides with equal ease.
Two merchants sell, each an article for Tk. 1000. If Merchant A computer his profit on cost price, while Merchant B computes his profit on selling price, they end up making profits of 25% respectively. By how much is the profit made by Merchant B greater than that of Merchant A?
Alim and Badrul enter in to a partnership and Alim invests Tk 10,000 in the partnership. At the end of 4 months he withdraws Tk 2000. At the end of another 5 month, he withdraws another Tk 3000. If Badrul receives Tk 9600 as his share of the total profit of Tk 19,100 for the year, how much did Badrul invest in the company?