Discrete Mathematics Multiple Choice Online Exam Quiz
Discrete Mathematics Multiple Choice GK Quiz. Question and Answers related to Discrete Mathematics Multiple Choice. MCQ (Multiple Choice Questions with answers about Discrete Mathematics Multiple Choice
Let A1, A2, be two AM’s and G1, G2 be two GM’s between a and b,then (A1 + A2) / G1G2 is equal to _______
Options
A : (a+b) / 2ab
B : 2ab/(a+b)
C : (a+b)/(ab)
D : None of the mentioned
If a1, a2, a3…….. are in AP then if a7 = 15, then the value of common difference that would make a2 a7 a12 greatest is?
Options
A : 2
B : 0
C : 4
D : 9
If a1, a2, a3 are in airthemetic as well as geometric progression then which of the following is/are correct?
Options
A : 2a2 = a1 + a3
B : a2 = (a1a3)1/2
C : a2 – a1 = a3 -a2
D : All of the mentioned are correct
If one geometric mean G and two airthmetic mean A1, A2 are inserted between two numbers, then (2A1 – A2) (2A2 – A1) is equal to _______
Options
A : 2G
B : G
C : G2
D : None of the mentioned
If between two numbers which are root of given equation. x2 – 18x + 16 = 0, a GM is inserted then the value of that GM is?
Options
A : 4
B : 5
C : 6
D : 16
The series a,(a+b)/2, b is in _______
Options
A : AP
B : GP
C : HP
D : None of the mentioned
If a1, a2, a3 are in GP then 1/a1, 1/a2, 1/a3 are in ___________
Options
A : AP
B : GP
C : HP
D : None of the mentioned
The series a, (ab)1/2, b is in _______
Options
A : AP
B : GP
C : HP
D : None of the mentioned
If A and G be the A.M and G.M between two positive number then the numbers are A + (A2 – G2)1/2, A – (A2 – G2)1/2.
Options
A : True
B : False
C :
D :
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