exam Maths Puzzle Numerical Ability

Use this table to answer my questions:
Population of Europe by age groups (in thousands) in 1950, 1970, and 1995 was:
Age 0-14: 143,175;166,367;139,464
Age 16-64: 359,162; 421,4

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exam Other Question

Find the perimeter of the given figure, a rectangle.

x 8
--- ----
2x-5 and 2x-5

Do I multiply or divide this to find an answer. The first one is on top Hi. Can someone please help me? I need to solve these arguments using the 18 rules of inference. I'm stuck on these 4.

I. 1) [A horseshoe (B v C)] horseshoe (D horseshoe A)