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Suheb Ahmed

· started a discussion

· 1 Months ago

option c and b are both correct

Question:
The average of four numbers A, B, C and D is 40. The average of four numbers A, B, E and F is also 40. Which of the following must be true ?
Options:
A) A + B = 2C + D
B) C + D = E + F
C) C = E and D = F
D) None of these
Solution:
Ans: (b) C + D = E + F  

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