if 6 = 42
5 = 30
4 = 20
then 2 = ?
6
6 = 6*7 = 42
5 = 5*6 = 30
4 = 4*5 = 20
3 = 3*4 = 12
2 = 2*3 = 6
6
6 = 6*7 = 42
5 = 5*6 = 30
4 = 4*5 = 20
3 = 3*4 = 12
2 = 2*3 = 6
67
The letter 'e'.
100.
10 + 10 × 10 - 10
= 10 + 100 - 10
= 100
A telephone or alarm.
Four boys and three girls.
Your finger.
16
Plate
A clock.
1. First, the man takes the goat across, leaving the wolf with the cabbage. Then he goes back. Next, he takes the wolf across. Then the man goes back, taking the goat with him. After this, he takes the cabbage across. Then he goes back again, leaving the wolf with the cabbage. Finally, he takes the goat across.
2. First, the man takes the goat across, leaving the wolf with the cabbage. Then he goes back. Next, he takes the cabbage across. Then the man goes back, taking the goat with him. After this, he takes the wolf across. Then he goes back again, leaving the wolf with the cabbage. Finally, he takes the goat across.
Her mouth