6 years ago in Quantitative Aptitude

The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number the average becomes 17.5 then the number of natural number is ?

[A] 20
[B] 15
[C] 10
[D] 30
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Nazia Sayed
Nazia Sayed - 4 years ago

Nazia Sayed from Mumbai, India is saying 15 is correct answer

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