self Maths Puzzle

Tina have some parrots and some cages for it.if she put 4 parrots in each cage then she will have one cage left.if she put 3 parrots in each cage then she will have 1 parrot left over.how many parrots and cages does she have?

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self Other Question

if 1+3+5+7+9+11+13+15+17+19=100,then find out five no.s from the above series which is equal to 50. what are the numbers between 101 and 199 which are exactly divisible by 5 or 7?