exam Maths Puzzle Numerical Ability

there are 3 roads connecting town A and B, and 4 roads connecting towns B and C. how many different routes are there from town A to town C?

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exam Other Question

the sum of 3 cpnsecutives odd integers is 40 more than the smallest. What are the integers? Find all real solutions to the equation.
the sqare root of x+4 minus 2 time the sqare root of x-1 = -1