Table:
0
A
B
C
D
E
F
G
1
Model
Launch year
RAM ( MiB )
ROM ( MiB )
Slots
WiFi
Bluetooth
2
X5
2002
32
32
1CFII,1SD
No
No
3
X5 high end
2002
64
48
1CFII,1SD
No
No
4
X3 Basic
2003
32
32
1SD
No
No
5
X3 Advanced
2003
64
64
1SD
No
No
6
X3i
2003
64
64
1SD
802.11b
No
7
X30 low-end
2004
32
32
1SD
No
No
8
X30 mid-range
2004
64
64
1SD
802.11b
1.1
9
X30 high-end
2004
64
64
1SD
802.11b
1.1
10
X50 Standard
2004
64
64
1CFII,1SD
No
Yes
11
X50 Advanced
2004
64
128
1CFII,1SD
802.11b
Yes
12
X50v
2004
64
128
1CFII,1SD
802.11b
1.2
13
X51 low-end
2005
64
128
1CFII,1SD
No
1.2
14
X51 mid-range
2005
64
128
1CFII,1SD
802.11b
1.2
15
X51v
2005
64
256
1CFII,1SD
802.11b
1.2

Questions and formulas:
Question: What was the status of Bluetooth for the model that launched after 2004 with a ROM (MiB) of 128 and a Wifi of 802.11b?
Formula: LET(query1,LET(query1,FILTER(A1:G1,(B1>2004)*(F1="802.11b")),SUMMARIZE(CHOOSECOLS(query1,7),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=128))
Formula2: LET(query1,LET(query1,FILTER(A2:G15,(B2:B15>2004)*(F2:F15="802.11b")),SUMMARIZE(CHOOSECOLS(query1,7),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=128))
Level: hard
Question: What is the RAM (MiB) value for the X30 Mid-Range model?
Formula: SUMIFS(C1,A1,"x30 mid-range")
Formula2: SUMIFS(C2:C15,A2:A15,"x30 mid-range")
Level: easy