A number,when 35 is subtracted from it, reduces to its 80 percent. What is four-fifth of that number ?
A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are :
If x% of y is equal to z, What percent z is x ?
A sum of money at simple interest amounts to Tk. 815 in 3 tears and to Tk. 854 in 4 years.The sum is :
The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is :
36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?
If 3 men or 6 boys can do a piece of work in 10 days,working 7 hours a day; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day ?
The length of a rectangle is twice its breadth . If its length is decreased y 5 cm and breadth is increased by 5 cm , the area of the rectangle is increased by 75 sq. cm . Find the length of the rectangle.
A courtyard 25 m long and 16 m broad is to be paved with bricks of dimension 20 cm by 10 cm . The total number of bricks required is :
The ratio between the length and the perimeter of a rectangular plot is 1 : 3 ,what is the ratio between the length and breadth of the plot?
The length of a rectangular plot is 60% more than its breadth . If the difference between the length and the breadth of that rectangle is 24 cm. what is the area of that rectangle ?
A tradesman sold and article at a loss of 20% . If the selling price had been increased by Tk. 100 . there would have been a gain of 5% . what was the cost price of the article ?
Peter purchased a machine for Tk. 80,000 and spent tk. 5000 on repair and Tk. 1000 on transport and sold it with 25% profit . At what price did he sell the machine?
when a plot is sold for TK. 18,700 , the owner loses 15% . At what price must the plot be sold in order to gain 15% ?
The percentage profit earned by selling an article for TK. 1920 is equal to the percentage loss incurred by selling the same article for TK. 1280 .At what price should the article be sold to make 25% profit?
A can complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km / hr and second half at the rate of 24 km .hr. Find the total journey in km.
What percentage of numbers from 1 to 70 have squares that end in the digit 1 ?
which of the following is not a leap year ?
If it requires 10 minutes to boil 5 eggs then how many minutes will it take to boil eggs simultaneously ?