A trader purchased some pens for Tk. 150. If the price of each pen was Tk. 5 less, he would have got 5 more pens. How many pens did he buy?
How much would I have to pay for a book which cost Tk 70 to produce, if the printing company sold it to a book seller at 20% profit and the book seller sold it to me at a profit of 25%?
A cake is divided into 18 pieces. If Rehana takes 1 / 3rd of the cake and Rashed takes 1 /3rd of the cake left, how many pieces are left?
8
6
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10
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
The total salary of X, Y and Z is Tk.90,000. X earns twice of what Z earns, and Y earns 1.5 times of what Z earns. What is the salary of Z?
If A : B= 1 : 2, B : C = 4 : 3 and A + B + C = 450, what is the value of B?
Mr. Khan's salary is Tk. 5000.00 and he gets 10% commission of his salary. If his salary increased by 10%, by what percent his commission will increase?
The length of a rectangle is increased by 50%. By what percent would the width have to be decreased to maintain the same area?
A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. What is the present age of the son?
Three workers can do a job 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job alone?
If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?
The length of a room is 1.5 times of its breadth. If the area of the room is 216 sq. meter, what is the perimeter of the room?
How many numbers from 11 to 50 are there which are exactly divisible by 7 not by 3?
If the sum of 3 consecutive integers is 210, then the sum of the two smaller integers is :
If length and width of a rectangular plot were each increased by 20%, what would be the percentage increase in the area of the plot?
What is 10% of y/3, if 2y/3 is 10% of 400?
The ratio of the angles of a triangle is 2 : 3 : 4. What is the largest angle in degrees?
A person is hired for a job that Tk. 500 per month and receives a 10% raise in each following month. In the fourth month, how much will that person earn (in taka)?
If a square region has area n, what is the length of the diagonal of the square in terms of n?
A man and his wife have seven sons, and every one of the sons has a sister. How many are there in the family?