18
Q:
A) 28 | B) 14 |
C) 21 | D) 7 |
Answer: A) 28
Explanation:
Explanation:
Let x, y, z be the number of balls received by the three persons, then
Let
x + y + z =21
u + 5 + v + 5 + w + 5 = 21
u + v + w = 6
Total number of solutions =