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0 / 60 seg.
"My Dad is three times my age," declared Dimple,"'but he's the square of my younger brother's age. I'm twice as old as my younger brother." What age was his younger brother?
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Clue
CHRIS WAS BORN ON 28-FEB AT 11:59 PM. LEON WAS BORN ON 1-MAR AT 12:01 AM. ON LEAP YEARS, LEON WILL CELEBRATE HIS BIRTHDAY TWO DAYS AFTER HIS BROTHER'S BIRTHDAY
HE IS 16 YEARS OLD. WHEN I WAS 4 YEARS OLD, MY BROTHER WAS 2 YEARS OLD (HALF MY AGE), SO MY BROTHER IS 2 YEARS YOUNGER THAN ME. WHEN I AM 18 YEARS OLD, MY BROTHER WILL BE 16 YEARS OLD AS HE IS 2 YEARS YOUNGER THAN ME
HIS YOUNGER BROTHER WAS 6. LET HIS AGE BE X, DIMPLE'S AGE BE Y, AND HIS FATHER'S AGE BE Z. THEN Z=3Y, Z=X2, Y=2X. SO 6X=X2 AND X=6
BECAUSE THERE ARE TWO SIDES TO THE COIN, THE CHANCES ARE ALWAYS ONE IN TWO
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