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Byju's Answer
Standard XII
Chemistry
Dehalogenation of Vicinal Dihalide
15, 31, 64, 1...
Question
15, 31, 64, 131, ?
A
266
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B
256
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C
192
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D
524
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Solution
The correct option is
A
266
∴
131
×
2
+
4
=
266
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0
Similar questions
Q.
Sum
1
+
3
4
+
7
16
+
15
64
+
31
256
+
.
.
.
.
to infinity.
Q.
Which is wrong term?
3 11 31 68 131 223
Q.
Sum the following series
1
+
3
4
+
7
16
+
15
64
+
31
256
+
.
.
.
.
to infinity.
Q.
Mean of
31
observation is
65
.If mean of first
15
observation is
64
and that of last
15
observation is
66
,then the sixteenth observation is
Q.
Simplify:
3
√
64
×
24
−
31
=
?
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Dehalogenation of Vicinal Dihalide
Standard XII Chemistry
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