Maths The average of 5 numbers is 306.4. Out of these, the average of the first two numbers is 431 and that of the last two numbers is 214.5, which is the third number?
| Q.200519: The average of 5 numbers is 306.4. Out of these, the average of the first two numbers is 431 and that of the last two numbers is 214.5, which is the third number? |
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