If x is an even number, what is the difference between the smallest ever number grater than (5x+6) and the largest even number less then (3x+9)?
Babu gave 20% of his marbles to Sadeq, and 20% of the rest of marbles to Tipu. If he now has 320 marbles, how many did he have originally?
What is the radius of the in-circle of the triangle whose sides measure 5, 12 and 13 units?
If -2
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car average when it is driven 10 miles in the city and then 60 miles on the highway?
Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the end of 2 years. She waited for another and got a final amount of Tk 300. What was the principal amount that she invested at the beginning?
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
A cube of side 5 cm 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?
Moyna has n chocolates, where n is an integer such that 20
In how many ways can Annie, Bushra, Camelia, Don, Elina and Farzana be seated if Annie and Bushra cannot be seated next to each other?
If a and b are integers greater than 100 such that a+b=300, which of the following could be the exact ratio of a to b?
If 0
Ehsan can mow the lawn in 30 minutes, and together with his brother Asif, they can mow the lawn in 20 minutes. How long would it take for Asif working alone to mow the lawn?
In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering student. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
The number 3 divides X with a result to Y and a remainder of 2. The number 3 divides Y with a result of 2 and a remainder of 1. What is the value of X?
If m = 4n/(x+n), then n =
Arif is now 5 times as old as Babu, but 7 years now he will be 3 times as old as babu. How old is Arif now?
A company hired a plumber and 8 workers to do a certain job. The daily wages for the plumber is 4 times more than that of a worker. If the company paid a total of Tk. x for the work, what was the payment received by the plumber?