Table:
0
A
B
C
D
E
F
G
1
SNO
College code
Faculty name
Designation
Qualification
Department
Experience
2
1
MQ
Dr N. Seshaiah
Principal & Professor
Ph.D. (Mech)
S&H
20 years
3
2
MQ
Sri T. Saikumar
Assoc. Prof.
M.Phil (Maths)
S&H
7 years
4
3
MQ
Sri D. Baba
Asst. Prof.
M.Phil (Physics)
S&H
2 years
5
4
MQ
Sri A. V. Raghu Ram
Asst. Prof.
M.A. (English), PGDTE
S&H
4 years
6
5
MQ
N. Syam Prasad
Asst. Prof.
M.Sc. (Maths)
S&H
5 years
7
6
MQ
Smt Ch. L. Poornima
Asst. Prof
B.Tech (Mech)
S&H
4 years
8
7
MQ
Sri K. Naga Koteswara Rao
Asst. Prof
B.Tech (Mech)
S&H
1 year
9
8
MQ
Sri Ch. Sreenivasa Rao
Asst.Prof
M.A. (English)
S&H
6 years
10
9
MQ
Smt D. Supriya
Asst.Prof
M.Phil(Maths)
S&H
4 years
11
10
MQ
Sri P. Rammohan
Assoc.Prof
M.Tech(Power Electronics)
EEE
7 years
12
11
MQ
Ms V. Gopilatha
Asst.Prof
B.Tech(Electrical)
EEE
3 years
13
12
MQ
Sri GSVNV. Babu
Assoc.Prof
M.Tech (E.C.E)
ECE
17 years
14
13
MQ
Sri K. Krishna Mohan
Assoc.Prof
M.Tech(E.C.E)
ECE
7 years
15
14
MQ
Ms B. Mamata
Asst.Prof
B.Tech(E.C.E)
ECE
2 years
16
15
MQ
Sri SVC. Gupta
Assoc.Prof
M.Tech(Comp.Sci& Tech)
CSE & IT
9 years
17
16
MQ
Sri G. Sudheer Kumar
Asst.Prof
B.Tech(C.S.E)
CSE & IT
1 year

Questions and formulas:
Question: Which departments have M.Phil(Maths)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="M.Phil(Maths)"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,E2:E17="M.Phil(Maths)"),6))
Level: medium
Question: How many faculty members have 20 years of experience? 
Formula: ROWS(UNIQUE(FILTER(D1, G1="20 years")))
Formula2: ROWS(UNIQUE(FILTER(D2:D17, G2:G17="20 years")))
Level: medium