एक बस टिकट में (3) श्रेणियां (6) सीट पंक्तियां और प्रत्येक पंक्ति में (4) सीटें हैं। एक टिकट सीट चुनने के तरीके कितने हैं?
A bus ticket has (3) classes (6) seat rows and (4) seats in each row. How many ways are there to choose one ticket seat?
Explanation opens after your attempt
D. (72) तरीके(72) ways
Concept
Class row and seat are three levels so \(3 \times 6 \times 4=72\). In structured selection multiply the levels.
Why this answer is correct
The correct answer is D. (72) तरीके / (72) ways. Class row and seat are three levels so \(3 \times 6 \times 4=72\). In structured selection multiply the levels.
Exam Tip
श्रेणी पंक्ति और सीट तीन स्तर हैं इसलिए \(3 \times 6 \times 4=72\)। संरचना वाले चयन में स्तरों को गुणा करें।
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