Answer:
b is the ans
Step-by-step explanation:
Answer:
2520 patterns
Step-by-step explanation:
In 'n' 10! ways, books can be arranged. But, there are also 5! permutation of blue books 'n1', 2! permutation of identical green books 'n2', and 3! permutation identical black books 'n3'.
Therefore, for non identical arrangements:

= 2520
Therefore, the books can be arranged on a shelf in 2520 patterns
Answer:
1496.79 mm squared
Step-by-step explanation:
Have a good day :)
Answer:
You can do this on ur own
Step-by-step explanation:
Trust me
Answer is D) Y. It's matching with the results given