exam Maths Puzzle Numerical Ability

A number between 300 and 400. If it is divided by 2, the remainder is 1. If it is divided by 4,6, or 8, the remainder is 3. If it is devied by 10, the remainder is 5. If t divided by 3,5,7, or 9, the remainder is zero. What is the number?

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exam Other Question
If f(x) = 2x^2 - 7x + 3 find : f(2) and f(-3) PL. help with this question realted to sets.
Let A,B & C be sets such that A U B = A U C and A I B = A I C

Show that B = C

(symbols : U - Union , I - Intersectio