CRE 4 - Means | Algebra - Progressions
Join our Telegram Channel for CAT/MBA Preparation.
Find the Arithmetic mean of series of all such two-digit numbers which are divisible by 7.
Solution
Discuss
ReportFind the Geometric Mean of the following terms: 4, 8, 16, …, 1024.
Find the geometric mean of 40, 54, and 100.
- (a)
40
- (b)
60
- (c)
75
- (d)
None of these
Geometric mean of two distinct positive numbers is 50. What can be said about their Arithmetic mean?
- (a)
< 50
- (b)
= 50
- (c)
> 50
- (d)
Cannot be determined
If A1, A2 and A3 are three arithmetic means between 3 and 24. Their sum is?
- (a)
41
- (b)
33
- (c)
28
- (d)
39
If G1, G2 and G3 are the geometric means between 2 and 162, find the value of G3.
- (a)
81
- (b)
45
- (c)
54
- (d)
None of these
If the A.M. of two numbers is greater than G.M. of the number by 6 and the ratio of the numbers is 9 : 1, then the numbers are
- (a)
9, 1
- (b)
18, 2
- (c)
27, 3
- (d)
Cannot be determined
The arithmetic, harmonic and geometric means between two positive numbers are 144/15, 15 and 12 but not necessarily in this order, then the H.M. G.M. and A.M. respectively are.
- (a)
15, 12, 144/15
- (b)
12, 15, 144/15
- (c)
144/15, 12, 15
- (d)
12, 144/15, 15
If G.M. = 18 and A.M. = 27 then H.M. is
- (a)
1/8
- (b)
1/12
- (c)
12
- (d)
9√6