The arithmetic mean of 4 and 16 is:
A10
B12
C14
D18
Answer & Solution
Correct answer: A. 10
1. Add the two numbers to get 20.
2. Divide the sum by two.
3. The arithmetic mean is 10.
_Source: NCERT Class 11 Mathematics, Ch 8 'Sequences and Series'_
Related questions
Special series cover natural numbers, their squares and their:If two positive numbers have A.M. 10 and G.M. 8, their sum is:The geometric mean of 4 and 16 is:The next term of the geometric progression 5, 10, 20 is:The common ratio of the progression 81, 27, 9, 3 is:The common ratio of the progression 3, 6, 12, 24 is:The numbers 2, 4 and 8 are consecutive terms of a:The geometric mean of 2 and 8 is: