exam Maths Puzzle Numerical Ability

Find two consecutive integers whose product is 15 less than the square of the smaller number.

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exam Other Question

The Iditarod sled-dog race extends for 1049 mi from Anchorage to Nome. If a musher is twice as far from Anchorage as from Nome, how many miles has the musher traveled?

I guessed it would be 1049 x 2 but that seems to simple... 5*6x+6*3x=400