exam Maths Puzzle Numerical Ability

A TEST IS WORTH 150 PTS. THERE ARE 46 3 AND 5 PT QUESTIONS. HOW MANY OF EACH IS ON THE TEST?

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exam Other Question

The units digit of a two digit number is 1 less than 3 times the tens digit. If the digits are reversed, the new number is 45 more than the original number. Find the number. Help me!
1) Express x³- 1/(x+2)(x-2) as partial fractions.
2) Find the solutin set of 2/x-3>5/x-1