exam Maths Puzzle Numerical Ability

Find four consecutive integers such that the sum of the second and the fourth is 17 less than thrice the first.

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exam Other Question

For an ellipse with foci (0,+or-1) and a major axis with length 6.
a) Explain in 1-2 sentences how you decide if this ellipse is horizontal or vertical.
b) In 3-4 sentences, e Find the number of possible 5-card hands that contain 1 ace and 4 other cards (none of which are aces)