In a group of people solicited by a charity, 30% contributed Tk 40, 45% contributed Tk 20 and the rest contributed Tk 2. If the charity received a total of Tk 300 from the people who contributed Tk 2, how much was contributed by the entire group?
A car traveled 75% of the way from town A to town B at an average speed of 50 mph. The car travels at an average speed of S mph for there remaining part of the trip. The average speed for the entire trip was 40 mph. What is the value of S, in mph?
It takes Eric 20 minutes to inspect a car. John only needs 18 minutes to inspect a car. If they both start inspecting care at 8:00 am, what is the first time they will finish inspecting a car at the same time?
Which of the following inequalities is the solution to the inequality 7x-5>2x+18?
Abu sold his cricket bat for tk 160 and his ball for tk 96. He made a profit of 20% on his ball and took a 10% loss on his cricket bat. He ended up with a-
Jony is 20 years older than Rony. In 10 years, Rony's age will be half that of Jony's. What is Rony's age?
A total of Tk 1200 is deposited in two savings accounts for one year, part at 5% and the remainder at 7% interest rate. If Tk 72 was earned in interest, how much was deposited at 5%?
Which of the following integers has the most divisors?
In Dhaka City 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the other of both. What is the percentage of motorcycle owners who own cars?
DHL charges Tk 2 for each pound for the first 20 pounds of package weight and Tk 1.5 for each pound or fraction of a pound over 20 pounds. How much will it charge to carry a package which weights 47/2 pounds?
Rahim's salary is 150% of Karim's salary. Karim's salary is 80% of Shahin's salary. What is the ratio of Shahin's salary to Rahim's salary?
If 4m =9n, what is the value of 7m, in terms of n?
If the average of five consecutive even numbers is 8, which of the following is the smallest of the five numbers?
Which of the following cannot be a value of 1/x-1?
The savings of an employee equals income minus expenditure. If their incomes ratio is 1 : 2 : 3 and their expenses ratio is 3 : 2 : 1, then what is the order of the employees A, B and C in the increasing order of the size of their savings?
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 lest 4 year's experience and a degree?
In a certain recipe,214 cups of flour are called for to make a cake that serves 6.If Mrs. Jesmin wants to use to same recipe "to make a cake for 8, how many cups of flour must she use?
The ratio of the area of area of a circle to the radius of the radius of the circle is--
What is the area of the equilateral triangle if the base BC=6?
x-1x=2 হলে x4+1x4= কত ?