exam Maths Puzzle Numerical Ability

Twice the sum of a number and 5 is equal to three times the difference of the number and 6. Can you help me find the number?

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exam Other Question

Can you please give me three prime numbers below 100 that would add up to 184 create a polynomial that describes the perimeter of the figure

outside: x,45,2x+3,49,85,9x+7

inside: 9-x,5x-7



thank you