IAS
CODEX
U
P
S
C
C
S
E
2
0
2
6
U
P
S
C
C
S
E
2
0
2
6
F
e
a
t
u
r
e
s
F
e
a
t
u
r
e
s
P
Y
Q
P
o
r
t
a
l
P
Y
Q
P
o
r
t
a
l
R
e
s
o
u
r
c
e
s
R
e
s
o
u
r
c
e
s
checking user
checking user
checking user
checking user
Q. 4
Discuss
Attempt
Questions
Prev
Next
Hide Kepler Chat
CSAT • 2022 • CSAT
What is the value of
X
X
X
in the sequence 20, 10, 10, 15, 30, 75,
X
X
X
?
A
105
B
120
C
150
D
225
Kepler. Discussing PYQs. Q.no. 4
