exam Maths Puzzle Numerical Ability

0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105

Which of the given numbers are composite?

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exam Other Question

Here is my problem: A small corporation borrowed $500,000 to build a new office building. Some of the money was borrowed at 9%, some at 10%, and some at 12%. Use a system of equa Sally bought three choclate bars and a pack of gum and paid $1.75. Jake bought two choclate bars and four packs of gum and paid $2.00 Find the cost of a choclate bar and the cost of the gum.