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Q: In a group of buffaloes and ducks the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ?

  • 1
    6
  • 2
    18
  • 3
    12
  • 4
    24
  • Show Answer
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Answer : 3. "12"
Explanation :

Answer: C) 12 Explanation: Let the number of buffaloes be x  and number of ducks be y. Now, number of heads = x+y Number of legs = 4x+2y  .......(1)  But given that legs = 2(x+y)+24 ......(2)   solving (1) & (2),we get   4x+2y=2x+2y+24    --> x=12.   Therefore number of buffaloes =12

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