Answer:
I am unable to solve this problem Sorry
Step-by-step explanation:
Assuming that each kind of seat is unnique and different from each other
( assume 4 kinds, premium, gold, silver, bronze, or premium, not premium, not premium, not premium)
so fraciton is parts out of whole so
1 out of 4 toal parts is 1/4
Step-by-step explanation:

- Cost of one dozen of note books ( 12 note books ) = Rs 252


Finding the cost of 1 note book :
⟼ 
Finding the cost of 10 note books :
⟼ 

Hope I helped ! ツ
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Answer:
2.17609
Step-by-step explanation:
Easiest and fastest way is to just directly plug log base 10 of 150 into the calc, as it is a nasty decimal.