If number of girls of School A in year 1999 increased by 10% and number of boys of school B in year 2005 decreased by 20% , then find the ratio between present number of girls of School A in year 1999 to present number of boys of school B in year 2005.

If number of girls of School A in year 1999 increased by 10% and numbe

1.	If number of girls of School A in year 1999 increased by 10% and number of boys of school B in year 2005 decreased by 20% , then find the ratio between present number of girls of School A in year 1999 to present number of boys of school B in year 2005.
A.	11 : 10
B.	12 : 13
C.	11 : 12
D.	12 : 11
E.	13 : 12
Answer» B. 12 : 13

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If number of girls of School A in year 1999 increased by 10% and number of boys of school B in year 2005 decreased by 20% , then find the ratio between present number of girls of School A in year 1999 to present number of boys of school B in year 2005.

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