The average of 25 numbers is 10 . The av

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Average

Question:

The average of 25 numbers is 10 . The average of the first 10 numbers is 8 and that of the next 14 numbers is 11 . The last number is :

Options:

Correct Answer:

Explanation:

Last number = (Sum of 25 numbers) - (Sum of first 10 + Sum of next 14 )

= ( 250 ) - [( 10 × 8 ) + ( 14× 11 ) ]

= (250) - ( 80 + 154) = 16