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The sum of five numbers is 555. The average of first two numbers is 75 and the third number of 115. What is the average of last two numbers ?
- A145
- B290
- C265
- D150
Answer not set
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0
CCommunity
Solution
Let the five numbers be A,B,C,D and E.
So, A+B+C+D+E = 555
A+B = 75*2 = 150
C = 115
Hence, D+E = 555-150-115 = 290 and their average equals 145
Let the five numbers be A,B,C,D and E.
So, A+B+C+D+E = 555
A+B = 75*2 = 150
C = 115
Hence, D+E = 555-150-115 = 290 and their average equals 145
0
CCommunity
Solution
Let the five numbers be A,B,C,D and E.
So, A+B+C+D+E = 555
A+B = 75*2 = 150
C = 115
Hence, D+E = 555-150-115 = 290 and their average equals 145
Let the five numbers be A,B,C,D and E.
So, A+B+C+D+E = 555
A+B = 75*2 = 150
C = 115
Hence, D+E = 555-150-115 = 290 and their average equals 145