when a positive integer K is divided by 6 , the remainder is 3 , what is the remainder when 5 k is divided by 3?
For some value of x , 5(x+2) =y . After the value of x is increased by ,3 5(x+2) =z. what is the value of (z -y) ?
An ice cream parlour makes an ice cream using one of six different flavors of ice cream, one of three different flavor of syrup, and one of four different toppings. what is the total number of different ice creams that this ice cream paolour can make?
A recipe for 4 servings requires salt and pepper to be added in the ratio of 2: 3 . If the recipe is adjusted to make 8 servings, what is the ratio of the salt and pepper that must now be added?
At a book fair, Danesh buys three pencils that cost Tk. 3.25 each, and a color pen that costs Tk. 5 . Which expression represents the amount of change , he should get when paying with a twenty taka note?
There are 92 girls in the anthropology class . This is 40% of all the students. What is the total number of students?
Amer is working in an insurance company as traveling salesman. He drove 373.5 miles on Monday, 481.6 miles on Tuesday, 392.8 miles on Wednesday, 502 miles on Thursday and 53.7 miles on Friday . What is his average traveling?
zinat's father contributes to his daughter's savings by giving her 10% of her total saving . If Zinat saves Tk. 100 in June , Tk. 250 in July and Tk. 130 in August, how much will she have in savings at the end of that time?
At 5 : 15 p.m. waht angle do the hands of a clock form?
what is the perimeter of the rectangle with diagonal 10 cm and width 6 cm?
In Dhanmondi Lake the current flows at 3 kilometres per hour. The boatmen takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. In still water what is the speed of the boat?
Jonyh bought a shirt, a pair of pants and a pair of shoes , which cost Tk. 1,000 Tk. 2,000 , and Tk. 3,000 respectively. What percent of the total expense was spent for the pants?
In a village the growth rate of population is 5% every year . There are 1600 people in the beginning of 2008 . what will be the approximate number of people in the beginning of 2011?
The surface area of a cubic box is 150 cm2. what is the volume of that box?
By how much is the value of {-10-(-7)} greater than the value of {-10 + (-7) }?
Tanveer earns Tk. 5.00 for every hour he works . Last weeks worked for x hours. He purchased y kg of rice. Price of per kg rice is Tk. 12.00. He saved the remaining amount. which expression below shows his savings?
If x5=243 , what is the value of x-3 ?
A brand of paint costs Tk. 14 per liter and 1 liter of paint will cover an area of 150 square feet. what is the minimum cost of paint needed to cover the 4 walls of a rectangular room that ix 12 feet wide, 16 feet long and 8 feet high?
Of the 50 students in a college , 32 are enrolled in psychology class and 37 are enrolled in logic. If 6 of the students did not enroll in either class, how many of the students are in only one of these two classes?
Bonds Telecom sold 140 SIM cards for Tk. 250 each, 120 SIM cards for Tk. 215 each and 50 SIM cards for TK. 200 each. If each. SIM card costs TK. 220 , what was Bond's profit or loss?
An athlete running at 24 km /hr crosses a square field diagonally in 3 minutes. what is the area of the field?
If w= 4x, 12y=8x , 6y=2z and 9v=6z then what is the value of 'w' in terms of 'V'?
In a school 80% students passed in Bangla and 65% passed in Science . If 50% of the students have passed both the subjects, what percent of the students have failed in both Bangla and Science?
The average daily income of Mr. A and Mr. B is Tk. 350 , of Mr. B and Mr. C is Tk. 365 and of Mr. A and Mr. c is tk. 340 . what is the weekly income of Mr. A if he works 5 days in a week?
A retailer buys a Panjabi and a Fatua jointly at Tk. 500. If he sells the Fatua at 10% profit and the panjabi at 5% loss , then he gets, Tk. 520 as total sales price. What is the cost price of the Fatua?
Mr. Jamal employed 50 workers to finish a work within 30 days . After 20 days he found out that only 50% work had been completed. How many additional workers did Mr. Jamal need to finish the work in time?
A container full of water weighs 18.5 kg. If one -fourth of the container is full of water , it weighs 6.5 kg . What is the weight of the empty container?
In a triangle the lengths of two sides are 5 and 9, the length of the third side is represented by x. Which statement is always true?
If 4 times an integer x is increased by 10 , the result is always greater than 18 and less than 34 . what is the least value of x?
Danny attended a test containing 40 questions. If he had corrected 18 questions out of the first 22 and two-third of the remaining questions, what percent of all the questions did he answer correctly?