exam
Maths Puzzle
Numerical Ability
Please help with: five times a number, subtracted from ten, is triple the number. Find the number
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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
1/x + 1/y = -1,
x^3 + y^3 = 4,
solve the equations