Table:
0
A
B
C
D
E
1
task id
project id
task details
eg agree objectives
tasks
2
1
1
a
3
2
2
b
4
3
3
c
5
4
4
q
6
5
5
w
7
6
6
e
8
7
7
r
9
8
8
t
10
9
9
y
11
10
10
u
12
11
11
i
13
12
12
m
14
13
13
n
15
14
14
o
16
15
15
p

Questions and formulas:
Question: How many tasks are there in total?
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E16))
Level: easy
Question: How many tasks are there?
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E16))
Level: easy