What is the sum of 7 consecutive integers?(1) The median of the seven integers is 8.(2) One of the integers is 7.
One quarter of the workers at the factory is clerical, one fifth is technical, half are administrative and the other 25 are managerial. How many workers total are there in the factory?
The price of a product is $a. Bill bought s products and then sold 80 percents of them $b. which of the following represents the whole deal if Bills profit was three times the cost?
M is a positive integer, is M odd?(1) 2M3 + 2M is divisible by 8.(2) M + 10 is divisible by 10.
A grocer bought 24Kg of coffee beans at price X. After a while one third of the stock got spoiled so he sold the rest for 200$ per Kilo and made a total profit of twice the cost. What must be price X?
Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as Erik, then in 2 years what would be Roy’s age multiplied by Iris’s age?
