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SSC JE Civil Engineering 30-Oct-2020 Shift 1 Paper
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© examsnet.com
Question : 23
Total: 200
Which number from the option will replace the question mark (?) in the following series ?
7, 11, 35, 67, 203, ?
611
409
608
403
Validate
Solution:
The logic follows here is :
Given series : 7, 11, 35, 67, 203, ?
7 (1st number)
(
7
−
2
)
×
2
+
(
1
)
3
=
11
(2nd number)
(
11
−
2
)
×
3
+
(
2
)
3
=
35
(3rd number)
(
35
−
2
)
×
2
+
(
1
)
3
=
67
(4th number)
(
67
−
2
)
×
3
+
(
2
)
3
=
203
(5th number)
(
203
−
2
)
×
2
+
(
1
)
3
=
403
(final number)
Hence, the correct answer is "403".
© examsnet.com
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