What is the sum of the two smallest integers in a set of different positive integers?(1) There are 4 integers in the set.(2) The average of the integers in the set is 3.
Q and R are numbers between 0 and 9. When multiplying 71 by another double-digit number the result is 7PQ. Which of the following could represent Q?
A car was driving at 60 Km/h for 20 minutes, and then at 90Km/h for another 40 minutes. What was its average speed?
X is an even number, which of the following is odd?
If "Alfa" is defined as 2 percent of 5 degrees, how many "Alfa’s" are there in two circles?
How long will it take 5 chambermaids to arrange the beds of the entire hotel?(1) There are 4 floors in the hotel.(2) Each floor contains 6 rooms.
