the average of 7 number is 50.When a new number is taken into consideration,the new average is 45.The new number is ?
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Answered by
0
Answer:
79
Step-by-step explanation:
it is from the ch 9 of std 10 maths right ?
Answered by
0
Answer:
New number is 395.
Step-by-step explanation:
Nice question.
Average of seven numbers = 50.
7 * 50 = 350.(total average of seven numbers.).
If new number is taken into consideration, the new average is 45.
Then,
New number is
Total Average of seven numbers + new Average.
= 350+ 45.
= 395.
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