June 27, 2020
The average of 5 numbers is 306.4. The average of the first two numbers is 431 and the average of the last two numbers is 214.5. What is the third number ?
A
B
C
D
Answer is None of these
Explanation:
According to the question,
Sum of five numbers = 5 × 306.4 = 1532
Third number = 1532 - 2 × 431 - 2 × 214.5
= 1532 - 862 - 429= 241
Nithin K ? answered Apr 19 '2017 at 22:32 replay
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