In exams: Automatic Generation of Exams in R

a <- sample(31:59, 1)
b <- sample(11:(a-10), 1)
sol <- 2 * b

Question

By how much is the sum of the numbers r a and r b greater than the difference between these numbers?

Solution

The result of the calculation is (r a + r b) - (r a - r b) = r a + b - r a - b = r sol.

Meta-information

exname: sum minus difference extype: num exsolution: r sol extol: 0

exams documentation built on May 1, 2025, 3:01 a.m.