जॉइन Examsbookउत्तर : 4. "Middle finger"
A girl counted in the following way on the fingers of her left hand : She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1995. She ended counting on which finger ?5
प्र: A girl counted in the following way on the fingers of her left hand : She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1995. She ended counting on which finger ?
- 1Thumbfalse
- 2Index fingerfalse
- 3Ring fingerfalse
- 4Middle fingertrue
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उत्तर : 4. "Middle finger"
व्याख्या :
Answer: D) Middle finger Explanation: Clearly, while counting the numbers associated to the thumb will be 1,9,17,25,.........i.e., numbers of the form (8n + 1 ).where n=1,2,3...Since 1994 = 249 × 8 + 2, so 1993 shall correspond to the thumb and 1994 to the index finger and 1995 to the middle finger.