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The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

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The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?
1). 25
2). 21
3). 29
4). 33


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2 answers

3 vote
Answered by on | Votes 3 |
option 2 is the right answer

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1 vote
Answered by on | Votes 1 |

PQR=         47x3=141

P and Q = 32.5x2= 65

Q and R = 48.5x2= 97

Then 65+97=162

Q= 162-141= 21

Ans : 21 




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