"AND" means multistage
4(1st king) x 3 (2nd king)= 12
*the 2nd king is only 3 since we have taken a king out and not replaced it.
The answer is 12
Multistage Experiments Made Easy
"AND" means multistage
4(1st king) x 3 (2nd king)= 12
*the 2nd king is only 3 since we have taken a king out and not replaced it.
The answer is 12
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