45: 1, 3, 5, 9, 15, 45
60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 60
78: 1, 78, 2, 29, 3, 26, 6, 13,
84: 1, 84, 2, 42, 3, 28, 4, 21, 6, 14, 7, 12,
99: 1, 99, 3, 33, 9, 11
Answer:
1. 18
2. 2412
Step-by-step explanation:
1. Monday 3
Tuesday 6
Wensday 9
Thursday 12
Friday 15
Sunday 18
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2.
603*4=2412
Number of ways = 4!
= 4×3×2×1
= 24ways
Answer:x=26
