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Test Index
Series and Odd Man out Practice Test 2
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© examsnet.com
Question : 4 of 40
Marks:
+1
,
-0
3, 5, 15, 75, 1115, 84375
1115
75
84375
75
15
Validate
Solution:
Concept:
Each term in the series is the product of the previous two terms.
Explanation:
3
×
5
=
15
3 \times 5 = 15
3
×
5
=
15
5
×
15
=
75
5 \times 15 = 75
5
×
15
=
75
15
×
75
=
1125
15 \times 75 = 1125
15
×
75
=
1125
, so
1115
1115
1115
is incorrect.
75
×
1125
=
84375
75 \times 1125 = 84375
75
×
1125
=
84375
, which confirms the pattern.
Answer:
The wrong term is
1115
1115
1115
, i.e. option A.
© examsnet.com
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