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Q.

The average of 5 terms is 50. If the first 4 terms are 45, 42, 119, and 84, ____ will be the last term.


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Detailed Solution

Sum of all the terms = 250
Sum of first four terms = 45+42+119+84 = 290
So, the 5th term should be 250−290 = −40.
The average of 5 terms is 50. If the first 4 terms are 45, 42, 119, and 84, -40 will be the last term.
 
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