The correct answer is:  " 8 (eight) " .
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Note:  Howard Gardener orginally described "7 (seven)" types of intelligence:
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1)  Bodily-Kinesthetic ; 
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2) Mathematical-Logical ;
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3) Visual-Spatial ; 
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4) Intrapersonal ; 
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5) Interpersonal ;
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6) Musical-Rhythmic;; 
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7) Verbal-Linguistic ; 
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and he had most recently (though some time ago) added an "8th" (eight) intelligence):
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8) Naturalistic .
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