(Paper) ARITHMEITC,GEOMETRIC & HARMONIC MEANS (A.M, G.M & H.M) : Mathematics Objective Questions

Paper : ARITHMEITC,GEOMETRIC & HARMONIC MEANS (A.M, G.M & H.M) : Mathematics Objective Questions

1. The geometric mean of two numbers is 16. If one number is 32, the other number is
a) 4 
b) 6 
c) 8 
d) 10

2. The geometric mean of 4 and 16 is
a) 8 
b) 12 
c) 16 
d) None of these

3. The average of first 5 multiples of 3 is
a) 6 
b) 8 
c) 9 
d) None of these

4. The Harmonic Mean of 4 and 6 is
a) 4.5 
b) 4.8 
c) 5 
d) 5.2

5. The arithmetic mean of 8 items is 2.5 and that of 12 items is 3. Then the arithmetic mean of the entire set of 20 items is
a) 2.75 
b) 2.80 
c) 2.85 
d) 2.90

6. The Geometric mean of 2, 4, 8 is
a) 2 
b) 8 
c) 4 
d) 2

7. If the arithmetic mean of two numbers is 10 and their geometric mean is 8, the numbers are
a) 20,5 
b) 16,4 
c) 15,5 
d) 12,8

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